Home / 2,198.22-3,297.44-1,223.59

Finding the Fourth Proportional to 2,198.22, 3,297.44 and 1,223.59

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Solution

The fourth proportional to 2,198.22, 3,297.44 and 1,223.59 is: 1,835.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.22 : 3,297.44 = 1,223.59 : x
  2. Step 2: Convert to fraction form
    2,198.22/3,297.44 = 1,223.59/x
  3. Step 3: Cross multiply
    2,198.22x = 3,297.44 × 1,223.59
  4. Step 4: Simplify right side
    2,198.22x = 4,034,708.49
  5. Step 5: Solve for x
    x = 4,034,708.49/2,198.22
  6. Step 6: Final answer
    x = 1,835.44

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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.