Home / 3,229.75-4,456.37-1,902.97

Finding the Fourth Proportional to 3,229.75, 4,456.37 and 1,902.97

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Solution

The fourth proportional to 3,229.75, 4,456.37 and 1,902.97 is: 2,625.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.75 : 4,456.37 = 1,902.97 : x
  2. Step 2: Convert to fraction form
    3,229.75/4,456.37 = 1,902.97/x
  3. Step 3: Cross multiply
    3,229.75x = 4,456.37 × 1,902.97
  4. Step 4: Simplify right side
    3,229.75x = 8,480,338.42
  5. Step 5: Solve for x
    x = 8,480,338.42/3,229.75
  6. Step 6: Final answer
    x = 2,625.69

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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.