Home / 3,229.44-4,461.12-3,109.56

Finding the Fourth Proportional to 3,229.44, 4,461.12 and 3,109.56

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Solution

The fourth proportional to 3,229.44, 4,461.12 and 3,109.56 is: 4,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.44 : 4,461.12 = 3,109.56 : x
  2. Step 2: Convert to fraction form
    3,229.44/4,461.12 = 3,109.56/x
  3. Step 3: Cross multiply
    3,229.44x = 4,461.12 × 3,109.56
  4. Step 4: Simplify right side
    3,229.44x = 13,872,120.31
  5. Step 5: Solve for x
    x = 13,872,120.31/3,229.44
  6. Step 6: Final answer
    x = 4,295.52

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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.