Home / 3,229.63-4,456.19-1,902.85

Finding the Fourth Proportional to 3,229.63, 4,456.19 and 1,902.85

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Solution

The fourth proportional to 3,229.63, 4,456.19 and 1,902.85 is: 2,625.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.63 : 4,456.19 = 1,902.85 : x
  2. Step 2: Convert to fraction form
    3,229.63/4,456.19 = 1,902.85/x
  3. Step 3: Cross multiply
    3,229.63x = 4,456.19 × 1,902.85
  4. Step 4: Simplify right side
    3,229.63x = 8,479,461.14
  5. Step 5: Solve for x
    x = 8,479,461.14/3,229.63
  6. Step 6: Final answer
    x = 2,625.52

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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.