Home / 1,906.85-2,631.43-1,067.56

Finding the Fourth Proportional to 1,906.85, 2,631.43 and 1,067.56

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Solution

The fourth proportional to 1,906.85, 2,631.43 and 1,067.56 is: 1,473.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906.85 : 2,631.43 = 1,067.56 : x
  2. Step 2: Convert to fraction form
    1,906.85/2,631.43 = 1,067.56/x
  3. Step 3: Cross multiply
    1,906.85x = 2,631.43 × 1,067.56
  4. Step 4: Simplify right side
    1,906.85x = 2,809,207.72
  5. Step 5: Solve for x
    x = 2,809,207.72/1,906.85
  6. Step 6: Final answer
    x = 1,473.22

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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.