Home / 3,039.22-4,193.31-2,331.78

Finding the Fourth Proportional to 3,039.22, 4,193.31 and 2,331.78

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Solution

The fourth proportional to 3,039.22, 4,193.31 and 2,331.78 is: 3,217.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.22 : 4,193.31 = 2,331.78 : x
  2. Step 2: Convert to fraction form
    3,039.22/4,193.31 = 2,331.78/x
  3. Step 3: Cross multiply
    3,039.22x = 4,193.31 × 2,331.78
  4. Step 4: Simplify right side
    3,039.22x = 9,777,876.39
  5. Step 5: Solve for x
    x = 9,777,876.39/3,039.22
  6. Step 6: Final answer
    x = 3,217.23

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1.5x scale

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.