Home / 3,615.26-5,432.60-2,759.90

Finding the Fourth Proportional to 3,615.26, 5,432.60 and 2,759.90

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Solution

The fourth proportional to 3,615.26, 5,432.60 and 2,759.90 is: 4,147.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.26 : 5,432.60 = 2,759.90 : x
  2. Step 2: Convert to fraction form
    3,615.26/5,432.60 = 2,759.90/x
  3. Step 3: Cross multiply
    3,615.26x = 5,432.60 × 2,759.90
  4. Step 4: Simplify right side
    3,615.26x = 14,993,412.48
  5. Step 5: Solve for x
    x = 14,993,412.48/3,615.26
  6. Step 6: Final answer
    x = 4,147.26

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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.