Home / 3,938.43-5,432.73-2,541.18

Finding the Fourth Proportional to 3,938.43, 5,432.73 and 2,541.18

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Solution

The fourth proportional to 3,938.43, 5,432.73 and 2,541.18 is: 3,505.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.43 : 5,432.73 = 2,541.18 : x
  2. Step 2: Convert to fraction form
    3,938.43/5,432.73 = 2,541.18/x
  3. Step 3: Cross multiply
    3,938.43x = 5,432.73 × 2,541.18
  4. Step 4: Simplify right side
    3,938.43x = 13,805,544.82
  5. Step 5: Solve for x
    x = 13,805,544.82/3,938.43
  6. Step 6: Final answer
    x = 3,505.34

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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.