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Finding the Fourth Proportional to 2,000.52, 2,998.20 and 829.20

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Solution

The fourth proportional to 2,000.52, 2,998.20 and 829.20 is: 1,242.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000.52 : 2,998.20 = 829.20 : x
  2. Step 2: Convert to fraction form
    2,000.52/2,998.20 = 829.20/x
  3. Step 3: Cross multiply
    2,000.52x = 2,998.20 × 829.20
  4. Step 4: Simplify right side
    2,000.52x = 2,486,107.44
  5. Step 5: Solve for x
    x = 2,486,107.44/2,000.52
  6. Step 6: Final answer
    x = 1,242.73

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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.