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Finding the Fourth Proportional to 2,046.43, 3,069.85 and 951.11

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Solution

The fourth proportional to 2,046.43, 3,069.85 and 951.11 is: 1,426.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,046.43 : 3,069.85 = 951.11 : x
  2. Step 2: Convert to fraction form
    2,046.43/3,069.85 = 951.11/x
  3. Step 3: Cross multiply
    2,046.43x = 3,069.85 × 951.11
  4. Step 4: Simplify right side
    2,046.43x = 2,919,765.03
  5. Step 5: Solve for x
    x = 2,919,765.03/2,046.43
  6. Step 6: Final answer
    x = 1,426.76

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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.