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Finding the Fourth Proportional to 1,739, 2,608.92 and 506.44

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Solution

The fourth proportional to 1,739, 2,608.92 and 506.44 is: 759.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739 : 2,608.92 = 506.44 : x
  2. Step 2: Convert to fraction form
    1,739/2,608.92 = 506.44/x
  3. Step 3: Cross multiply
    1,739x = 2,608.92 × 506.44
  4. Step 4: Simplify right side
    1,739x = 1,321,261.44
  5. Step 5: Solve for x
    x = 1,321,261.44/1,739
  6. Step 6: Final answer
    x = 759.78

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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.