Home / 3,531.25-5,299.31-1,222.75

Finding the Fourth Proportional to 3,531.25, 5,299.31 and 1,222.75

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Solution

The fourth proportional to 3,531.25, 5,299.31 and 1,222.75 is: 1,834.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.25 : 5,299.31 = 1,222.75 : x
  2. Step 2: Convert to fraction form
    3,531.25/5,299.31 = 1,222.75/x
  3. Step 3: Cross multiply
    3,531.25x = 5,299.31 × 1,222.75
  4. Step 4: Simplify right side
    3,531.25x = 6,479,731.30
  5. Step 5: Solve for x
    x = 6,479,731.30/3,531.25
  6. Step 6: Final answer
    x = 1,834.97

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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.