Finding the Fourth Proportional to 2,500.12, 3,750.74 and 961.08
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Solution
The fourth proportional to 2,500.12, 3,750.74 and 961.08 is: 1,441.84
Step by Step Solution
- Step 1: Write the proportion equation
2,500.12 : 3,750.74 = 961.08 : x - Step 2: Convert to fraction form
2,500.12/3,750.74 = 961.08/x - Step 3: Cross multiply
2,500.12x = 3,750.74 × 961.08 - Step 4: Simplify right side
2,500.12x = 3,604,761.20 - Step 5: Solve for x
x = 3,604,761.20/2,500.12 - Step 6: Final answer
x = 1,441.84
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1.5x scale
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.