Home / 3,963.60-5,472.33-2,547.90

Finding the Fourth Proportional to 3,963.60, 5,472.33 and 2,547.90

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Solution

The fourth proportional to 3,963.60, 5,472.33 and 2,547.90 is: 3,517.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.60 : 5,472.33 = 2,547.90 : x
  2. Step 2: Convert to fraction form
    3,963.60/5,472.33 = 2,547.90/x
  3. Step 3: Cross multiply
    3,963.60x = 5,472.33 × 2,547.90
  4. Step 4: Simplify right side
    3,963.60x = 13,942,949.61
  5. Step 5: Solve for x
    x = 13,942,949.61/3,963.60
  6. Step 6: Final answer
    x = 3,517.75

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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.