Home / 3,817.26-5,723.51-2,153.78

Finding the Fourth Proportional to 3,817.26, 5,723.51 and 2,153.78

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Solution

The fourth proportional to 3,817.26, 5,723.51 and 2,153.78 is: 3,229.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.26 : 5,723.51 = 2,153.78 : x
  2. Step 2: Convert to fraction form
    3,817.26/5,723.51 = 2,153.78/x
  3. Step 3: Cross multiply
    3,817.26x = 5,723.51 × 2,153.78
  4. Step 4: Simplify right side
    3,817.26x = 12,327,141.98
  5. Step 5: Solve for x
    x = 12,327,141.98/3,817.26
  6. Step 6: Final answer
    x = 3,229.32

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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.