Home / 3,229-4,835.28-2,255.78

Finding the Fourth Proportional to 3,229, 4,835.28 and 2,255.78

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Solution

The fourth proportional to 3,229, 4,835.28 and 2,255.78 is: 3,377.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229 : 4,835.28 = 2,255.78 : x
  2. Step 2: Convert to fraction form
    3,229/4,835.28 = 2,255.78/x
  3. Step 3: Cross multiply
    3,229x = 4,835.28 × 2,255.78
  4. Step 4: Simplify right side
    3,229x = 10,907,327.92
  5. Step 5: Solve for x
    x = 10,907,327.92/3,229
  6. Step 6: Final answer
    x = 3,377.93

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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.