Home / 2,472.90-3,688.56-2,251.44

Finding the Fourth Proportional to 2,472.90, 3,688.56 and 2,251.44

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Solution

The fourth proportional to 2,472.90, 3,688.56 and 2,251.44 is: 3,358.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.90 : 3,688.56 = 2,251.44 : x
  2. Step 2: Convert to fraction form
    2,472.90/3,688.56 = 2,251.44/x
  3. Step 3: Cross multiply
    2,472.90x = 3,688.56 × 2,251.44
  4. Step 4: Simplify right side
    2,472.90x = 8,304,571.53
  5. Step 5: Solve for x
    x = 8,304,571.53/2,472.90
  6. Step 6: Final answer
    x = 3,358.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.