Home / 3,817.72-5,716.85-2,515.24

Finding the Fourth Proportional to 3,817.72, 5,716.85 and 2,515.24

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Solution

The fourth proportional to 3,817.72, 5,716.85 and 2,515.24 is: 3,766.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.72 : 5,716.85 = 2,515.24 : x
  2. Step 2: Convert to fraction form
    3,817.72/5,716.85 = 2,515.24/x
  3. Step 3: Cross multiply
    3,817.72x = 5,716.85 × 2,515.24
  4. Step 4: Simplify right side
    3,817.72x = 14,379,221.21
  5. Step 5: Solve for x
    x = 14,379,221.21/3,817.72
  6. Step 6: Final answer
    x = 3,766.45

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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.