Home / 3,187.20-4,393.44-2,067.96

Finding the Fourth Proportional to 3,187.20, 4,393.44 and 2,067.96

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Solution

The fourth proportional to 3,187.20, 4,393.44 and 2,067.96 is: 2,850.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.20 : 4,393.44 = 2,067.96 : x
  2. Step 2: Convert to fraction form
    3,187.20/4,393.44 = 2,067.96/x
  3. Step 3: Cross multiply
    3,187.20x = 4,393.44 × 2,067.96
  4. Step 4: Simplify right side
    3,187.20x = 9,085,458.18
  5. Step 5: Solve for x
    x = 9,085,458.18/3,187.20
  6. Step 6: Final answer
    x = 2,850.61

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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.