Home / 2,198.01-3,033.12-1,203.30

Finding the Fourth Proportional to 2,198.01, 3,033.12 and 1,203.30

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Solution

The fourth proportional to 2,198.01, 3,033.12 and 1,203.30 is: 1,660.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.01 : 3,033.12 = 1,203.30 : x
  2. Step 2: Convert to fraction form
    2,198.01/3,033.12 = 1,203.30/x
  3. Step 3: Cross multiply
    2,198.01x = 3,033.12 × 1,203.30
  4. Step 4: Simplify right side
    2,198.01x = 3,649,753.30
  5. Step 5: Solve for x
    x = 3,649,753.30/2,198.01
  6. Step 6: Final answer
    x = 1,660.48

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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.