Home / 3,067.18-4,231.27-1,887.82

Finding the Fourth Proportional to 3,067.18, 4,231.27 and 1,887.82

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Solution

The fourth proportional to 3,067.18, 4,231.27 and 1,887.82 is: 2,604.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.18 : 4,231.27 = 1,887.82 : x
  2. Step 2: Convert to fraction form
    3,067.18/4,231.27 = 1,887.82/x
  3. Step 3: Cross multiply
    3,067.18x = 4,231.27 × 1,887.82
  4. Step 4: Simplify right side
    3,067.18x = 7,987,876.13
  5. Step 5: Solve for x
    x = 7,987,876.13/3,067.18
  6. Step 6: Final answer
    x = 2,604.31

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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.