Finding the Fourth Proportional to 2,331, 3,496.50 and 792
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Solution
The fourth proportional to 2,331, 3,496.50 and 792 is: 1,188
Step by Step Solution
- Step 1: Write the proportion equation
2,331 : 3,496.50 = 792 : x - Step 2: Convert to fraction form
2,331/3,496.50 = 792/x - Step 3: Cross multiply
2,331x = 3,496.50 × 792 - Step 4: Simplify right side
2,331x = 2,769,228 - Step 5: Solve for x
x = 2,769,228/2,331 - Step 6: Final answer
x = 1,188
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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.