Home / 3,687.54-5,531.43-1,222.29

Finding the Fourth Proportional to 3,687.54, 5,531.43 and 1,222.29

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Solution

The fourth proportional to 3,687.54, 5,531.43 and 1,222.29 is: 1,833.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.54 : 5,531.43 = 1,222.29 : x
  2. Step 2: Convert to fraction form
    3,687.54/5,531.43 = 1,222.29/x
  3. Step 3: Cross multiply
    3,687.54x = 5,531.43 × 1,222.29
  4. Step 4: Simplify right side
    3,687.54x = 6,761,012.72
  5. Step 5: Solve for x
    x = 6,761,012.72/3,687.54
  6. Step 6: Final answer
    x = 1,833.47

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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.