Home / 2,633.28-3,951.08-1,247.61

Finding the Fourth Proportional to 2,633.28, 3,951.08 and 1,247.61

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Solution

The fourth proportional to 2,633.28, 3,951.08 and 1,247.61 is: 1,871.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633.28 : 3,951.08 = 1,247.61 : x
  2. Step 2: Convert to fraction form
    2,633.28/3,951.08 = 1,247.61/x
  3. Step 3: Cross multiply
    2,633.28x = 3,951.08 × 1,247.61
  4. Step 4: Simplify right side
    2,633.28x = 4,929,400.68
  5. Step 5: Solve for x
    x = 4,929,400.68/2,633.28
  6. Step 6: Final answer
    x = 1,871.96

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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.