Home / 3,337.14-5,005.24-2,100.78

Finding the Fourth Proportional to 3,337.14, 5,005.24 and 2,100.78

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Solution

The fourth proportional to 3,337.14, 5,005.24 and 2,100.78 is: 3,150.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,337.14 : 5,005.24 = 2,100.78 : x
  2. Step 2: Convert to fraction form
    3,337.14/5,005.24 = 2,100.78/x
  3. Step 3: Cross multiply
    3,337.14x = 5,005.24 × 2,100.78
  4. Step 4: Simplify right side
    3,337.14x = 10,514,908.09
  5. Step 5: Solve for x
    x = 10,514,908.09/3,337.14
  6. Step 6: Final answer
    x = 3,150.87

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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.