Home / 2,221.36-3,334.19-1,067.92

Finding the Fourth Proportional to 2,221.36, 3,334.19 and 1,067.92

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Solution

The fourth proportional to 2,221.36, 3,334.19 and 1,067.92 is: 1,602.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.36 : 3,334.19 = 1,067.92 : x
  2. Step 2: Convert to fraction form
    2,221.36/3,334.19 = 1,067.92/x
  3. Step 3: Cross multiply
    2,221.36x = 3,334.19 × 1,067.92
  4. Step 4: Simplify right side
    2,221.36x = 3,560,634.18
  5. Step 5: Solve for x
    x = 3,560,634.18/2,221.36
  6. Step 6: Final answer
    x = 1,602.91

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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.