Home / 3,257.38-4,886.38-1,177.90

Finding the Fourth Proportional to 3,257.38, 4,886.38 and 1,177.90

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Solution

The fourth proportional to 3,257.38, 4,886.38 and 1,177.90 is: 1,766.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.38 : 4,886.38 = 1,177.90 : x
  2. Step 2: Convert to fraction form
    3,257.38/4,886.38 = 1,177.90/x
  3. Step 3: Cross multiply
    3,257.38x = 4,886.38 × 1,177.90
  4. Step 4: Simplify right side
    3,257.38x = 5,755,667.00
  5. Step 5: Solve for x
    x = 5,755,667.00/3,257.38
  6. Step 6: Final answer
    x = 1,766.96

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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.