Home / 2,399.20-3,600.19-1,012.43

Finding the Fourth Proportional to 2,399.20, 3,600.19 and 1,012.43

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Solution

The fourth proportional to 2,399.20, 3,600.19 and 1,012.43 is: 1,519.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.20 : 3,600.19 = 1,012.43 : x
  2. Step 2: Convert to fraction form
    2,399.20/3,600.19 = 1,012.43/x
  3. Step 3: Cross multiply
    2,399.20x = 3,600.19 × 1,012.43
  4. Step 4: Simplify right side
    2,399.20x = 3,644,940.36
  5. Step 5: Solve for x
    x = 3,644,940.36/2,399.20
  6. Step 6: Final answer
    x = 1,519.23

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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.