Home / 2,238.50-3,358.68-1,198.23

Finding the Fourth Proportional to 2,238.50, 3,358.68 and 1,198.23

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Solution

The fourth proportional to 2,238.50, 3,358.68 and 1,198.23 is: 1,797.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.50 : 3,358.68 = 1,198.23 : x
  2. Step 2: Convert to fraction form
    2,238.50/3,358.68 = 1,198.23/x
  3. Step 3: Cross multiply
    2,238.50x = 3,358.68 × 1,198.23
  4. Step 4: Simplify right side
    2,238.50x = 4,024,471.14
  5. Step 5: Solve for x
    x = 4,024,471.14/2,238.50
  6. Step 6: Final answer
    x = 1,797.85

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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.