Home / 2,198.22-3,033.42-1,611.24

Finding the Fourth Proportional to 2,198.22, 3,033.42 and 1,611.24

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Solution

The fourth proportional to 2,198.22, 3,033.42 and 1,611.24 is: 2,223.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.22 : 3,033.42 = 1,611.24 : x
  2. Step 2: Convert to fraction form
    2,198.22/3,033.42 = 1,611.24/x
  3. Step 3: Cross multiply
    2,198.22x = 3,033.42 × 1,611.24
  4. Step 4: Simplify right side
    2,198.22x = 4,887,567.64
  5. Step 5: Solve for x
    x = 4,887,567.64/2,198.22
  6. Step 6: Final answer
    x = 2,223.42

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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.