Home / 2,979.47-4,471.26-1,337.86

Finding the Fourth Proportional to 2,979.47, 4,471.26 and 1,337.86

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Solution

The fourth proportional to 2,979.47, 4,471.26 and 1,337.86 is: 2,007.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.47 : 4,471.26 = 1,337.86 : x
  2. Step 2: Convert to fraction form
    2,979.47/4,471.26 = 1,337.86/x
  3. Step 3: Cross multiply
    2,979.47x = 4,471.26 × 1,337.86
  4. Step 4: Simplify right side
    2,979.47x = 5,981,919.90
  5. Step 5: Solve for x
    x = 5,981,919.90/2,979.47
  6. Step 6: Final answer
    x = 2,007.71

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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.