Home / 3,622.89-5,432.09-1,672.59

Finding the Fourth Proportional to 3,622.89, 5,432.09 and 1,672.59

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Solution

The fourth proportional to 3,622.89, 5,432.09 and 1,672.59 is: 2,507.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.89 : 5,432.09 = 1,672.59 : x
  2. Step 2: Convert to fraction form
    3,622.89/5,432.09 = 1,672.59/x
  3. Step 3: Cross multiply
    3,622.89x = 5,432.09 × 1,672.59
  4. Step 4: Simplify right side
    3,622.89x = 9,085,651.05
  5. Step 5: Solve for x
    x = 9,085,651.05/3,622.89
  6. Step 6: Final answer
    x = 2,507.85

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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.