Home / 2,198.43-3,033.75-1,313.71

Finding the Fourth Proportional to 2,198.43, 3,033.75 and 1,313.71

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Solution

The fourth proportional to 2,198.43, 3,033.75 and 1,313.71 is: 1,812.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.43 : 3,033.75 = 1,313.71 : x
  2. Step 2: Convert to fraction form
    2,198.43/3,033.75 = 1,313.71/x
  3. Step 3: Cross multiply
    2,198.43x = 3,033.75 × 1,313.71
  4. Step 4: Simplify right side
    2,198.43x = 3,985,452.54
  5. Step 5: Solve for x
    x = 3,985,452.54/2,198.43
  6. Step 6: Final answer
    x = 1,812.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.