Home / 3,871.92-5,344.03-2,299.71

Finding the Fourth Proportional to 3,871.92, 5,344.03 and 2,299.71

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Solution

The fourth proportional to 3,871.92, 5,344.03 and 2,299.71 is: 3,174.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871.92 : 5,344.03 = 2,299.71 : x
  2. Step 2: Convert to fraction form
    3,871.92/5,344.03 = 2,299.71/x
  3. Step 3: Cross multiply
    3,871.92x = 5,344.03 × 2,299.71
  4. Step 4: Simplify right side
    3,871.92x = 12,289,694.37
  5. Step 5: Solve for x
    x = 12,289,694.37/3,871.92
  6. Step 6: Final answer
    x = 3,174.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.