Home / 3,155.31-4,729.19-2,229.48

Finding the Fourth Proportional to 3,155.31, 4,729.19 and 2,229.48

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Solution

The fourth proportional to 3,155.31, 4,729.19 and 2,229.48 is: 3,341.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.31 : 4,729.19 = 2,229.48 : x
  2. Step 2: Convert to fraction form
    3,155.31/4,729.19 = 2,229.48/x
  3. Step 3: Cross multiply
    3,155.31x = 4,729.19 × 2,229.48
  4. Step 4: Simplify right side
    3,155.31x = 10,543,623.37
  5. Step 5: Solve for x
    x = 10,543,623.37/3,155.31
  6. Step 6: Final answer
    x = 3,341.55

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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.