Finding the Fourth Proportional to 2,592.13, 3,887.51 and 742.81
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Solution
The fourth proportional to 2,592.13, 3,887.51 and 742.81 is: 1,114.02
Step by Step Solution
- Step 1: Write the proportion equation
2,592.13 : 3,887.51 = 742.81 : x - Step 2: Convert to fraction form
2,592.13/3,887.51 = 742.81/x - Step 3: Cross multiply
2,592.13x = 3,887.51 × 742.81 - Step 4: Simplify right side
2,592.13x = 2,887,681.30 - Step 5: Solve for x
x = 2,887,681.30/2,592.13 - Step 6: Final answer
x = 1,114.02
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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.