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Finding the Fourth Proportional to 1,730.92, 2,375.88 and 1,540.24

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Solution

The fourth proportional to 1,730.92, 2,375.88 and 1,540.24 is: 2,114.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.92 : 2,375.88 = 1,540.24 : x
  2. Step 2: Convert to fraction form
    1,730.92/2,375.88 = 1,540.24/x
  3. Step 3: Cross multiply
    1,730.92x = 2,375.88 × 1,540.24
  4. Step 4: Simplify right side
    1,730.92x = 3,659,425.41
  5. Step 5: Solve for x
    x = 3,659,425.41/1,730.92
  6. Step 6: Final answer
    x = 2,114.15

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.