Home / 3,631.97-5,433.78-3,189.71

Finding the Fourth Proportional to 3,631.97, 5,433.78 and 3,189.71

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Solution

The fourth proportional to 3,631.97, 5,433.78 and 3,189.71 is: 4,772.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.97 : 5,433.78 = 3,189.71 : x
  2. Step 2: Convert to fraction form
    3,631.97/5,433.78 = 3,189.71/x
  3. Step 3: Cross multiply
    3,631.97x = 5,433.78 × 3,189.71
  4. Step 4: Simplify right side
    3,631.97x = 17,332,182.40
  5. Step 5: Solve for x
    x = 17,332,182.40/3,631.97
  6. Step 6: Final answer
    x = 4,772.12

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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.