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Finding the Fourth Proportional to 2,000.52, 2,999.98 and 829.73

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Solution

The fourth proportional to 2,000.52, 2,999.98 and 829.73 is: 1,244.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000.52 : 2,999.98 = 829.73 : x
  2. Step 2: Convert to fraction form
    2,000.52/2,999.98 = 829.73/x
  3. Step 3: Cross multiply
    2,000.52x = 2,999.98 × 829.73
  4. Step 4: Simplify right side
    2,000.52x = 2,489,156.33
  5. Step 5: Solve for x
    x = 2,489,156.33/2,000.52
  6. Step 6: Final answer
    x = 1,244.25

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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.