Home / 3,131.70-4,694.58-1,183.38

Finding the Fourth Proportional to 3,131.70, 4,694.58 and 1,183.38

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Solution

The fourth proportional to 3,131.70, 4,694.58 and 1,183.38 is: 1,773.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.70 : 4,694.58 = 1,183.38 : x
  2. Step 2: Convert to fraction form
    3,131.70/4,694.58 = 1,183.38/x
  3. Step 3: Cross multiply
    3,131.70x = 4,694.58 × 1,183.38
  4. Step 4: Simplify right side
    3,131.70x = 5,555,472.08
  5. Step 5: Solve for x
    x = 5,555,472.08/3,131.70
  6. Step 6: Final answer
    x = 1,773.95

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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.