Home / 1,617.22-2,422.62-1,067.71

Finding the Fourth Proportional to 1,617.22, 2,422.62 and 1,067.71

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Solution

The fourth proportional to 1,617.22, 2,422.62 and 1,067.71 is: 1,599.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.22 : 2,422.62 = 1,067.71 : x
  2. Step 2: Convert to fraction form
    1,617.22/2,422.62 = 1,067.71/x
  3. Step 3: Cross multiply
    1,617.22x = 2,422.62 × 1,067.71
  4. Step 4: Simplify right side
    1,617.22x = 2,586,655.60
  5. Step 5: Solve for x
    x = 2,586,655.60/1,617.22
  6. Step 6: Final answer
    x = 1,599.45

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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.