Home / 2,198.16-3,034.08-1,266.48

Finding the Fourth Proportional to 2,198.16, 3,034.08 and 1,266.48

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Solution

The fourth proportional to 2,198.16, 3,034.08 and 1,266.48 is: 1,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.16 : 3,034.08 = 1,266.48 : x
  2. Step 2: Convert to fraction form
    2,198.16/3,034.08 = 1,266.48/x
  3. Step 3: Cross multiply
    2,198.16x = 3,034.08 × 1,266.48
  4. Step 4: Simplify right side
    2,198.16x = 3,842,601.64
  5. Step 5: Solve for x
    x = 3,842,601.64/2,198.16
  6. Step 6: Final answer
    x = 1,748.10

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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.