Home / 2,542.12-3,806.32-1,662.44

Finding the Fourth Proportional to 2,542.12, 3,806.32 and 1,662.44

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Solution

The fourth proportional to 2,542.12, 3,806.32 and 1,662.44 is: 2,489.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.12 : 3,806.32 = 1,662.44 : x
  2. Step 2: Convert to fraction form
    2,542.12/3,806.32 = 1,662.44/x
  3. Step 3: Cross multiply
    2,542.12x = 3,806.32 × 1,662.44
  4. Step 4: Simplify right side
    2,542.12x = 6,327,778.62
  5. Step 5: Solve for x
    x = 6,327,778.62/2,542.12
  6. Step 6: Final answer
    x = 2,489.17

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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.