Home / 2,745.27-4,118.57-896.39

Finding the Fourth Proportional to 2,745.27, 4,118.57 and 896.39

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Solution

The fourth proportional to 2,745.27, 4,118.57 and 896.39 is: 1,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.27 : 4,118.57 = 896.39 : x
  2. Step 2: Convert to fraction form
    2,745.27/4,118.57 = 896.39/x
  3. Step 3: Cross multiply
    2,745.27x = 4,118.57 × 896.39
  4. Step 4: Simplify right side
    2,745.27x = 3,691,850.78
  5. Step 5: Solve for x
    x = 3,691,850.78/2,745.27
  6. Step 6: Final answer
    x = 1,344.80

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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.