Home / 2,238.55-3,358.77-1,198.28

Finding the Fourth Proportional to 2,238.55, 3,358.77 and 1,198.28

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Solution

The fourth proportional to 2,238.55, 3,358.77 and 1,198.28 is: 1,797.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.55 : 3,358.77 = 1,198.28 : x
  2. Step 2: Convert to fraction form
    2,238.55/3,358.77 = 1,198.28/x
  3. Step 3: Cross multiply
    2,238.55x = 3,358.77 × 1,198.28
  4. Step 4: Simplify right side
    2,238.55x = 4,024,746.92
  5. Step 5: Solve for x
    x = 4,024,746.92/2,238.55
  6. Step 6: Final answer
    x = 1,797.93

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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.