Home / 3,850.29-5,776.31-1,217.96

Finding the Fourth Proportional to 3,850.29, 5,776.31 and 1,217.96

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Solution

The fourth proportional to 3,850.29, 5,776.31 and 1,217.96 is: 1,827.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.29 : 5,776.31 = 1,217.96 : x
  2. Step 2: Convert to fraction form
    3,850.29/5,776.31 = 1,217.96/x
  3. Step 3: Cross multiply
    3,850.29x = 5,776.31 × 1,217.96
  4. Step 4: Simplify right side
    3,850.29x = 7,035,279.56
  5. Step 5: Solve for x
    x = 7,035,279.56/3,850.29
  6. Step 6: Final answer
    x = 1,827.21

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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.