Home / 2,198.66-3,034.19-1,314.14

Finding the Fourth Proportional to 2,198.66, 3,034.19 and 1,314.14

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Solution

The fourth proportional to 2,198.66, 3,034.19 and 1,314.14 is: 1,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.66 : 3,034.19 = 1,314.14 : x
  2. Step 2: Convert to fraction form
    2,198.66/3,034.19 = 1,314.14/x
  3. Step 3: Cross multiply
    2,198.66x = 3,034.19 × 1,314.14
  4. Step 4: Simplify right side
    2,198.66x = 3,987,338.56
  5. Step 5: Solve for x
    x = 3,987,338.56/2,198.66
  6. Step 6: Final answer
    x = 1,813.54

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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.