Home / 2,198.16-3,294.45-1,101.06

Finding the Fourth Proportional to 2,198.16, 3,294.45 and 1,101.06

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Solution

The fourth proportional to 2,198.16, 3,294.45 and 1,101.06 is: 1,650.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.16 : 3,294.45 = 1,101.06 : x
  2. Step 2: Convert to fraction form
    2,198.16/3,294.45 = 1,101.06/x
  3. Step 3: Cross multiply
    2,198.16x = 3,294.45 × 1,101.06
  4. Step 4: Simplify right side
    2,198.16x = 3,627,387.12
  5. Step 5: Solve for x
    x = 3,627,387.12/2,198.16
  6. Step 6: Final answer
    x = 1,650.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.