Home / 2,198.44-3,033.75-1,203.76

Finding the Fourth Proportional to 2,198.44, 3,033.75 and 1,203.76

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Solution

The fourth proportional to 2,198.44, 3,033.75 and 1,203.76 is: 1,661.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.44 : 3,033.75 = 1,203.76 : x
  2. Step 2: Convert to fraction form
    2,198.44/3,033.75 = 1,203.76/x
  3. Step 3: Cross multiply
    2,198.44x = 3,033.75 × 1,203.76
  4. Step 4: Simplify right side
    2,198.44x = 3,651,906.90
  5. Step 5: Solve for x
    x = 3,651,906.90/2,198.44
  6. Step 6: Final answer
    x = 1,661.14

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1.5x scale

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.