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Finding the Fourth Proportional to 3,793.17, 5,689.77 and 2,072.73

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Solution

The fourth proportional to 3,793.17, 5,689.77 and 2,072.73 is: 3,109.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,793.17 : 5,689.77 = 2,072.73 : x
  2. Step 2: Convert to fraction form
    3,793.17/5,689.77 = 2,072.73/x
  3. Step 3: Cross multiply
    3,793.17x = 5,689.77 × 2,072.73
  4. Step 4: Simplify right side
    3,793.17x = 11,793,356.97
  5. Step 5: Solve for x
    x = 11,793,356.97/3,793.17
  6. Step 6: Final answer
    x = 3,109.10

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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.