Home / 2,222.44-3,067.14-1,291.08

Finding the Fourth Proportional to 2,222.44, 3,067.14 and 1,291.08

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Solution

The fourth proportional to 2,222.44, 3,067.14 and 1,291.08 is: 1,781.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.44 : 3,067.14 = 1,291.08 : x
  2. Step 2: Convert to fraction form
    2,222.44/3,067.14 = 1,291.08/x
  3. Step 3: Cross multiply
    2,222.44x = 3,067.14 × 1,291.08
  4. Step 4: Simplify right side
    2,222.44x = 3,959,923.11
  5. Step 5: Solve for x
    x = 3,959,923.11/2,222.44
  6. Step 6: Final answer
    x = 1,781.79

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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.