Home / 3,195.83-4,791.78-1,245.75

Finding the Fourth Proportional to 3,195.83, 4,791.78 and 1,245.75

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Solution

The fourth proportional to 3,195.83, 4,791.78 and 1,245.75 is: 1,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.83 : 4,791.78 = 1,245.75 : x
  2. Step 2: Convert to fraction form
    3,195.83/4,791.78 = 1,245.75/x
  3. Step 3: Cross multiply
    3,195.83x = 4,791.78 × 1,245.75
  4. Step 4: Simplify right side
    3,195.83x = 5,969,359.94
  5. Step 5: Solve for x
    x = 5,969,359.94/3,195.83
  6. Step 6: Final answer
    x = 1,867.86

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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.