Finding the Fourth Proportional to 3,642, 5,025.94 and 2,070.09
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Solution
The fourth proportional to 3,642, 5,025.94 and 2,070.09 is: 2,856.71
Step by Step Solution
- Step 1: Write the proportion equation
3,642 : 5,025.94 = 2,070.09 : x - Step 2: Convert to fraction form
3,642/5,025.94 = 2,070.09/x - Step 3: Cross multiply
3,642x = 5,025.94 × 2,070.09 - Step 4: Simplify right side
3,642x = 10,404,148.13 - Step 5: Solve for x
x = 10,404,148.13/3,642 - Step 6: Final answer
x = 2,856.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.