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Finding the Fourth Proportional to 3,152.47, 4,350.43 and 1,755.22

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Solution

The fourth proportional to 3,152.47, 4,350.43 and 1,755.22 is: 2,422.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.47 : 4,350.43 = 1,755.22 : x
  2. Step 2: Convert to fraction form
    3,152.47/4,350.43 = 1,755.22/x
  3. Step 3: Cross multiply
    3,152.47x = 4,350.43 × 1,755.22
  4. Step 4: Simplify right side
    3,152.47x = 7,635,952.97
  5. Step 5: Solve for x
    x = 7,635,952.97/3,152.47
  6. Step 6: Final answer
    x = 2,422.21

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1.5x scale

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.