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Finding the Fourth Proportional to 2,747.97, 4,117.87 and 1,445.49

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Solution

The fourth proportional to 2,747.97, 4,117.87 and 1,445.49 is: 2,166.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.97 : 4,117.87 = 1,445.49 : x
  2. Step 2: Convert to fraction form
    2,747.97/4,117.87 = 1,445.49/x
  3. Step 3: Cross multiply
    2,747.97x = 4,117.87 × 1,445.49
  4. Step 4: Simplify right side
    2,747.97x = 5,952,339.91
  5. Step 5: Solve for x
    x = 5,952,339.91/2,747.97
  6. Step 6: Final answer
    x = 2,166.09

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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.