Home / 3,622.24-5,432.49-1,672.57

Finding the Fourth Proportional to 3,622.24, 5,432.49 and 1,672.57

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Solution

The fourth proportional to 3,622.24, 5,432.49 and 1,672.57 is: 2,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.24 : 5,432.49 = 1,672.57 : x
  2. Step 2: Convert to fraction form
    3,622.24/5,432.49 = 1,672.57/x
  3. Step 3: Cross multiply
    3,622.24x = 5,432.49 × 1,672.57
  4. Step 4: Simplify right side
    3,622.24x = 9,086,219.80
  5. Step 5: Solve for x
    x = 9,086,219.80/3,622.24
  6. Step 6: Final answer
    x = 2,508.45

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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.