Finding the Fourth Proportional to 2,233.05, 3,349.50 and 916.75
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Solution
The fourth proportional to 2,233.05, 3,349.50 and 916.75 is: 1,375.09
Step by Step Solution
- Step 1: Write the proportion equation
2,233.05 : 3,349.50 = 916.75 : x - Step 2: Convert to fraction form
2,233.05/3,349.50 = 916.75/x - Step 3: Cross multiply
2,233.05x = 3,349.50 × 916.75 - Step 4: Simplify right side
2,233.05x = 3,070,654.13 - Step 5: Solve for x
x = 3,070,654.13/2,233.05 - Step 6: Final answer
x = 1,375.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.