Home / 3,147.38-4,720.96-1,067.37

Finding the Fourth Proportional to 3,147.38, 4,720.96 and 1,067.37

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Solution

The fourth proportional to 3,147.38, 4,720.96 and 1,067.37 is: 1,601.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.38 : 4,720.96 = 1,067.37 : x
  2. Step 2: Convert to fraction form
    3,147.38/4,720.96 = 1,067.37/x
  3. Step 3: Cross multiply
    3,147.38x = 4,720.96 × 1,067.37
  4. Step 4: Simplify right side
    3,147.38x = 5,039,011.08
  5. Step 5: Solve for x
    x = 5,039,011.08/3,147.38
  6. Step 6: Final answer
    x = 1,601.02

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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.