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Finding the Fourth Proportional to 2,000.32, 3,001.17 and 830.95

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Solution

The fourth proportional to 2,000.32, 3,001.17 and 830.95 is: 1,246.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000.32 : 3,001.17 = 830.95 : x
  2. Step 2: Convert to fraction form
    2,000.32/3,001.17 = 830.95/x
  3. Step 3: Cross multiply
    2,000.32x = 3,001.17 × 830.95
  4. Step 4: Simplify right side
    2,000.32x = 2,493,822.21
  5. Step 5: Solve for x
    x = 2,493,822.21/2,000.32
  6. Step 6: Final answer
    x = 1,246.71

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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.