Home / 2,751.39-4,120.04-1,517.43

Finding the Fourth Proportional to 2,751.39, 4,120.04 and 1,517.43

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Solution

The fourth proportional to 2,751.39, 4,120.04 and 1,517.43 is: 2,272.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.39 : 4,120.04 = 1,517.43 : x
  2. Step 2: Convert to fraction form
    2,751.39/4,120.04 = 1,517.43/x
  3. Step 3: Cross multiply
    2,751.39x = 4,120.04 × 1,517.43
  4. Step 4: Simplify right side
    2,751.39x = 6,251,891.54
  5. Step 5: Solve for x
    x = 6,251,891.54/2,751.39
  6. Step 6: Final answer
    x = 2,272.26

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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.