Home / 2,227.46-3,340.92-1,132.61

Finding the Fourth Proportional to 2,227.46, 3,340.92 and 1,132.61

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Solution

The fourth proportional to 2,227.46, 3,340.92 and 1,132.61 is: 1,698.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.46 : 3,340.92 = 1,132.61 : x
  2. Step 2: Convert to fraction form
    2,227.46/3,340.92 = 1,132.61/x
  3. Step 3: Cross multiply
    2,227.46x = 3,340.92 × 1,132.61
  4. Step 4: Simplify right side
    2,227.46x = 3,783,959.40
  5. Step 5: Solve for x
    x = 3,783,959.40/2,227.46
  6. Step 6: Final answer
    x = 1,698.78

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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.