Home / 3,562.46-5,343.78-1,687.91

Finding the Fourth Proportional to 3,562.46, 5,343.78 and 1,687.91

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Solution

The fourth proportional to 3,562.46, 5,343.78 and 1,687.91 is: 2,531.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562.46 : 5,343.78 = 1,687.91 : x
  2. Step 2: Convert to fraction form
    3,562.46/5,343.78 = 1,687.91/x
  3. Step 3: Cross multiply
    3,562.46x = 5,343.78 × 1,687.91
  4. Step 4: Simplify right side
    3,562.46x = 9,019,826.20
  5. Step 5: Solve for x
    x = 9,019,826.20/3,562.46
  6. Step 6: Final answer
    x = 2,531.91

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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.