Home / 3,814.38-5,717.79-2,146.56

Finding the Fourth Proportional to 3,814.38, 5,717.79 and 2,146.56

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Solution

The fourth proportional to 3,814.38, 5,717.79 and 2,146.56 is: 3,217.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.38 : 5,717.79 = 2,146.56 : x
  2. Step 2: Convert to fraction form
    3,814.38/5,717.79 = 2,146.56/x
  3. Step 3: Cross multiply
    3,814.38x = 5,717.79 × 2,146.56
  4. Step 4: Simplify right side
    3,814.38x = 12,273,579.30
  5. Step 5: Solve for x
    x = 12,273,579.30/3,814.38
  6. Step 6: Final answer
    x = 3,217.71

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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.