Home / 2,198.12-3,033.05-1,253.75

Finding the Fourth Proportional to 2,198.12, 3,033.05 and 1,253.75

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Solution

The fourth proportional to 2,198.12, 3,033.05 and 1,253.75 is: 1,729.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.12 : 3,033.05 = 1,253.75 : x
  2. Step 2: Convert to fraction form
    2,198.12/3,033.05 = 1,253.75/x
  3. Step 3: Cross multiply
    2,198.12x = 3,033.05 × 1,253.75
  4. Step 4: Simplify right side
    2,198.12x = 3,802,665.00
  5. Step 5: Solve for x
    x = 3,802,665.00/2,198.12
  6. Step 6: Final answer
    x = 1,729.97

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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.