Home / 3,221.16-4,833.90-2,067.72

Finding the Fourth Proportional to 3,221.16, 4,833.90 and 2,067.72

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Solution

The fourth proportional to 3,221.16, 4,833.90 and 2,067.72 is: 3,102.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.16 : 4,833.90 = 2,067.72 : x
  2. Step 2: Convert to fraction form
    3,221.16/4,833.90 = 2,067.72/x
  3. Step 3: Cross multiply
    3,221.16x = 4,833.90 × 2,067.72
  4. Step 4: Simplify right side
    3,221.16x = 9,995,151.71
  5. Step 5: Solve for x
    x = 9,995,151.71/3,221.16
  6. Step 6: Final answer
    x = 3,102.97

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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.