Home / 2,712.22-4,068.34-1,067.87

Finding the Fourth Proportional to 2,712.22, 4,068.34 and 1,067.87

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Solution

The fourth proportional to 2,712.22, 4,068.34 and 1,067.87 is: 1,601.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.22 : 4,068.34 = 1,067.87 : x
  2. Step 2: Convert to fraction form
    2,712.22/4,068.34 = 1,067.87/x
  3. Step 3: Cross multiply
    2,712.22x = 4,068.34 × 1,067.87
  4. Step 4: Simplify right side
    2,712.22x = 4,344,458.24
  5. Step 5: Solve for x
    x = 4,344,458.24/2,712.22
  6. Step 6: Final answer
    x = 1,601.81

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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.