Home / 2,424.72-3,639.24-1,126.92

Finding the Fourth Proportional to 2,424.72, 3,639.24 and 1,126.92

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Solution

The fourth proportional to 2,424.72, 3,639.24 and 1,126.92 is: 1,691.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.72 : 3,639.24 = 1,126.92 : x
  2. Step 2: Convert to fraction form
    2,424.72/3,639.24 = 1,126.92/x
  3. Step 3: Cross multiply
    2,424.72x = 3,639.24 × 1,126.92
  4. Step 4: Simplify right side
    2,424.72x = 4,101,132.34
  5. Step 5: Solve for x
    x = 4,101,132.34/2,424.72
  6. Step 6: Final answer
    x = 1,691.38

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1.5x scale

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.