Home / 2,622.24-3,938.22-2,077.92

Finding the Fourth Proportional to 2,622.24, 3,938.22 and 2,077.92

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Solution

The fourth proportional to 2,622.24, 3,938.22 and 2,077.92 is: 3,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.24 : 3,938.22 = 2,077.92 : x
  2. Step 2: Convert to fraction form
    2,622.24/3,938.22 = 2,077.92/x
  3. Step 3: Cross multiply
    2,622.24x = 3,938.22 × 2,077.92
  4. Step 4: Simplify right side
    2,622.24x = 8,183,306.10
  5. Step 5: Solve for x
    x = 8,183,306.10/2,622.24
  6. Step 6: Final answer
    x = 3,120.73

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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.