Home / 2,198.13-3,033.29-1,203.44

Finding the Fourth Proportional to 2,198.13, 3,033.29 and 1,203.44

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Solution

The fourth proportional to 2,198.13, 3,033.29 and 1,203.44 is: 1,660.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.13 : 3,033.29 = 1,203.44 : x
  2. Step 2: Convert to fraction form
    2,198.13/3,033.29 = 1,203.44/x
  3. Step 3: Cross multiply
    2,198.13x = 3,033.29 × 1,203.44
  4. Step 4: Simplify right side
    2,198.13x = 3,650,361.33
  5. Step 5: Solve for x
    x = 3,650,361.33/2,198.13
  6. Step 6: Final answer
    x = 1,660.67

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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.