Home / 3,823.92-5,735.76-1,631.22

Finding the Fourth Proportional to 3,823.92, 5,735.76 and 1,631.22

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Solution

The fourth proportional to 3,823.92, 5,735.76 and 1,631.22 is: 2,446.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.92 : 5,735.76 = 1,631.22 : x
  2. Step 2: Convert to fraction form
    3,823.92/5,735.76 = 1,631.22/x
  3. Step 3: Cross multiply
    3,823.92x = 5,735.76 × 1,631.22
  4. Step 4: Simplify right side
    3,823.92x = 9,356,286.43
  5. Step 5: Solve for x
    x = 9,356,286.43/3,823.92
  6. Step 6: Final answer
    x = 2,446.78

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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.