Home / 3,138.32-4,704.42-1,163.38

Finding the Fourth Proportional to 3,138.32, 4,704.42 and 1,163.38

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Solution

The fourth proportional to 3,138.32, 4,704.42 and 1,163.38 is: 1,743.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138.32 : 4,704.42 = 1,163.38 : x
  2. Step 2: Convert to fraction form
    3,138.32/4,704.42 = 1,163.38/x
  3. Step 3: Cross multiply
    3,138.32x = 4,704.42 × 1,163.38
  4. Step 4: Simplify right side
    3,138.32x = 5,473,028.14
  5. Step 5: Solve for x
    x = 5,473,028.14/3,138.32
  6. Step 6: Final answer
    x = 1,743.94

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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.