Home / 3,932.11-5,898.87-1,299.76

Finding the Fourth Proportional to 3,932.11, 5,898.87 and 1,299.76

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Solution

The fourth proportional to 3,932.11, 5,898.87 and 1,299.76 is: 1,949.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.11 : 5,898.87 = 1,299.76 : x
  2. Step 2: Convert to fraction form
    3,932.11/5,898.87 = 1,299.76/x
  3. Step 3: Cross multiply
    3,932.11x = 5,898.87 × 1,299.76
  4. Step 4: Simplify right side
    3,932.11x = 7,667,115.27
  5. Step 5: Solve for x
    x = 7,667,115.27/3,932.11
  6. Step 6: Final answer
    x = 1,949.87

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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.