Home / 3,531.38-5,299.49-1,222.88

Finding the Fourth Proportional to 3,531.38, 5,299.49 and 1,222.88

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Solution

The fourth proportional to 3,531.38, 5,299.49 and 1,222.88 is: 1,835.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.38 : 5,299.49 = 1,222.88 : x
  2. Step 2: Convert to fraction form
    3,531.38/5,299.49 = 1,222.88/x
  3. Step 3: Cross multiply
    3,531.38x = 5,299.49 × 1,222.88
  4. Step 4: Simplify right side
    3,531.38x = 6,480,616.89
  5. Step 5: Solve for x
    x = 6,480,616.89/3,531.38
  6. Step 6: Final answer
    x = 1,835.15

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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.