Home / 3,149.82-4,725.05-1,203.66

Finding the Fourth Proportional to 3,149.82, 4,725.05 and 1,203.66

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Solution

The fourth proportional to 3,149.82, 4,725.05 and 1,203.66 is: 1,805.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.82 : 4,725.05 = 1,203.66 : x
  2. Step 2: Convert to fraction form
    3,149.82/4,725.05 = 1,203.66/x
  3. Step 3: Cross multiply
    3,149.82x = 4,725.05 × 1,203.66
  4. Step 4: Simplify right side
    3,149.82x = 5,687,353.68
  5. Step 5: Solve for x
    x = 5,687,353.68/3,149.82
  6. Step 6: Final answer
    x = 1,805.61

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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.