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Finding the Fourth Proportional to 3,171.92, 4,757.41 and 1,223.88

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Solution

The fourth proportional to 3,171.92, 4,757.41 and 1,223.88 is: 1,835.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.92 : 4,757.41 = 1,223.88 : x
  2. Step 2: Convert to fraction form
    3,171.92/4,757.41 = 1,223.88/x
  3. Step 3: Cross multiply
    3,171.92x = 4,757.41 × 1,223.88
  4. Step 4: Simplify right side
    3,171.92x = 5,822,498.95
  5. Step 5: Solve for x
    x = 5,822,498.95/3,171.92
  6. Step 6: Final answer
    x = 1,835.64

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1.5x scale

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.