Home / 2,222.26-3,067.41-2,149.30

Finding the Fourth Proportional to 2,222.26, 3,067.41 and 2,149.30

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Solution

The fourth proportional to 2,222.26, 3,067.41 and 2,149.30 is: 2,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.26 : 3,067.41 = 2,149.30 : x
  2. Step 2: Convert to fraction form
    2,222.26/3,067.41 = 2,149.30/x
  3. Step 3: Cross multiply
    2,222.26x = 3,067.41 × 2,149.30
  4. Step 4: Simplify right side
    2,222.26x = 6,592,784.31
  5. Step 5: Solve for x
    x = 6,592,784.31/2,222.26
  6. Step 6: Final answer
    x = 2,966.70

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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.