Home / 2,178.71-3,267.22-1,067.43

Finding the Fourth Proportional to 2,178.71, 3,267.22 and 1,067.43

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Solution

The fourth proportional to 2,178.71, 3,267.22 and 1,067.43 is: 1,600.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178.71 : 3,267.22 = 1,067.43 : x
  2. Step 2: Convert to fraction form
    2,178.71/3,267.22 = 1,067.43/x
  3. Step 3: Cross multiply
    2,178.71x = 3,267.22 × 1,067.43
  4. Step 4: Simplify right side
    2,178.71x = 3,487,528.64
  5. Step 5: Solve for x
    x = 3,487,528.64/2,178.71
  6. Step 6: Final answer
    x = 1,600.73

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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.