Home / 3,433.28-5,149.86-1,124.80

Finding the Fourth Proportional to 3,433.28, 5,149.86 and 1,124.80

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Solution

The fourth proportional to 3,433.28, 5,149.86 and 1,124.80 is: 1,687.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.28 : 5,149.86 = 1,124.80 : x
  2. Step 2: Convert to fraction form
    3,433.28/5,149.86 = 1,124.80/x
  3. Step 3: Cross multiply
    3,433.28x = 5,149.86 × 1,124.80
  4. Step 4: Simplify right side
    3,433.28x = 5,792,562.53
  5. Step 5: Solve for x
    x = 5,792,562.53/3,433.28
  6. Step 6: Final answer
    x = 1,687.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.