Home / 3,171.25-4,375.26-1,843.86

Finding the Fourth Proportional to 3,171.25, 4,375.26 and 1,843.86

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Solution

The fourth proportional to 3,171.25, 4,375.26 and 1,843.86 is: 2,543.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.25 : 4,375.26 = 1,843.86 : x
  2. Step 2: Convert to fraction form
    3,171.25/4,375.26 = 1,843.86/x
  3. Step 3: Cross multiply
    3,171.25x = 4,375.26 × 1,843.86
  4. Step 4: Simplify right side
    3,171.25x = 8,067,383.31
  5. Step 5: Solve for x
    x = 8,067,383.31/3,171.25
  6. Step 6: Final answer
    x = 2,543.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.