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Finding the Fourth Proportional to 2,745.59, 4,114.59 and 2,379.47

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Solution

The fourth proportional to 2,745.59, 4,114.59 and 2,379.47 is: 3,565.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.59 : 4,114.59 = 2,379.47 : x
  2. Step 2: Convert to fraction form
    2,745.59/4,114.59 = 2,379.47/x
  3. Step 3: Cross multiply
    2,745.59x = 4,114.59 × 2,379.47
  4. Step 4: Simplify right side
    2,745.59x = 9,790,543.47
  5. Step 5: Solve for x
    x = 9,790,543.47/2,745.59
  6. Step 6: Final answer
    x = 3,565.92

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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.