Home / 3,391.52-5,087.70-1,169.76

Finding the Fourth Proportional to 3,391.52, 5,087.70 and 1,169.76

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Solution

The fourth proportional to 3,391.52, 5,087.70 and 1,169.76 is: 1,754.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.52 : 5,087.70 = 1,169.76 : x
  2. Step 2: Convert to fraction form
    3,391.52/5,087.70 = 1,169.76/x
  3. Step 3: Cross multiply
    3,391.52x = 5,087.70 × 1,169.76
  4. Step 4: Simplify right side
    3,391.52x = 5,951,387.95
  5. Step 5: Solve for x
    x = 5,951,387.95/3,391.52
  6. Step 6: Final answer
    x = 1,754.78

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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.