Proportion-RuleOfThree-Percent

Ledon
4.0
182 reviews
100K+
Downloads
Content rating
Everyone
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About this app

Proportions, rule of three, cross-multiplication, percentages. This is a simple app to calculate proportions (rule of 3, cross-multiplication, percentages), by selecting incognite X and entering data. Easily calculate most common cases.
Updated on
Jul 7, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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Ratings and reviews

4.0
174 reviews
A Google user
February 12, 2020
I like it. That's what I'm looking for. Thanks.
1 person found this review helpful
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Sam Prada
July 5, 2022
Exactly what it says, exactly what I needed
2 people found this review helpful
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Yousif Almamalachy
July 2, 2021
Exactly what I was looking for 👌🏻.
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App support

Website
Support email
manuelfernandezparadelaledon@gmail.com
Privacy Policy
About the developer
MANUEL FERNANDEZ PARADELA LEDON
mfpledon@gmail.com
R. Prof. Pedreira de Freitas, 372 - apt. 201-C Tatuapé SÃO PAULO - SP 03312-052 Brasil
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