Home / 3,462.38-5,195.99-1,382.20

Finding the Fourth Proportional to 3,462.38, 5,195.99 and 1,382.20

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Solution

The fourth proportional to 3,462.38, 5,195.99 and 1,382.20 is: 2,074.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.38 : 5,195.99 = 1,382.20 : x
  2. Step 2: Convert to fraction form
    3,462.38/5,195.99 = 1,382.20/x
  3. Step 3: Cross multiply
    3,462.38x = 5,195.99 × 1,382.20
  4. Step 4: Simplify right side
    3,462.38x = 7,181,897.38
  5. Step 5: Solve for x
    x = 7,181,897.38/3,462.38
  6. Step 6: Final answer
    x = 2,074.27

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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.