Home / 2,712.66-4,067.73-1,326.06

Finding the Fourth Proportional to 2,712.66, 4,067.73 and 1,326.06

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Solution

The fourth proportional to 2,712.66, 4,067.73 and 1,326.06 is: 1,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.66 : 4,067.73 = 1,326.06 : x
  2. Step 2: Convert to fraction form
    2,712.66/4,067.73 = 1,326.06/x
  3. Step 3: Cross multiply
    2,712.66x = 4,067.73 × 1,326.06
  4. Step 4: Simplify right side
    2,712.66x = 5,394,054.04
  5. Step 5: Solve for x
    x = 5,394,054.04/2,712.66
  6. Step 6: Final answer
    x = 1,988.47

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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.