Home / 3,158.91-4,739.30-1,516.85

Finding the Fourth Proportional to 3,158.91, 4,739.30 and 1,516.85

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Solution

The fourth proportional to 3,158.91, 4,739.30 and 1,516.85 is: 2,275.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.91 : 4,739.30 = 1,516.85 : x
  2. Step 2: Convert to fraction form
    3,158.91/4,739.30 = 1,516.85/x
  3. Step 3: Cross multiply
    3,158.91x = 4,739.30 × 1,516.85
  4. Step 4: Simplify right side
    3,158.91x = 7,188,775.92
  5. Step 5: Solve for x
    x = 7,188,775.92/3,158.91
  6. Step 6: Final answer
    x = 2,275.71

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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.