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Finding the Fourth Proportional to 2,326.97, 3,488.40 and 865.08

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Solution

The fourth proportional to 2,326.97, 3,488.40 and 865.08 is: 1,296.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.97 : 3,488.40 = 865.08 : x
  2. Step 2: Convert to fraction form
    2,326.97/3,488.40 = 865.08/x
  3. Step 3: Cross multiply
    2,326.97x = 3,488.40 × 865.08
  4. Step 4: Simplify right side
    2,326.97x = 3,017,745.07
  5. Step 5: Solve for x
    x = 3,017,745.07/2,326.97
  6. Step 6: Final answer
    x = 1,296.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.