Home / 2,198.88-3,034.08-1,359.72

Finding the Fourth Proportional to 2,198.88, 3,034.08 and 1,359.72

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Solution

The fourth proportional to 2,198.88, 3,034.08 and 1,359.72 is: 1,876.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.88 : 3,034.08 = 1,359.72 : x
  2. Step 2: Convert to fraction form
    2,198.88/3,034.08 = 1,359.72/x
  3. Step 3: Cross multiply
    2,198.88x = 3,034.08 × 1,359.72
  4. Step 4: Simplify right side
    2,198.88x = 4,125,499.26
  5. Step 5: Solve for x
    x = 4,125,499.26/2,198.88
  6. Step 6: Final answer
    x = 1,876.18

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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.