Home / 3,911.18-5,861.57-1,443.71

Finding the Fourth Proportional to 3,911.18, 5,861.57 and 1,443.71

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Solution

The fourth proportional to 3,911.18, 5,861.57 and 1,443.71 is: 2,163.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.18 : 5,861.57 = 1,443.71 : x
  2. Step 2: Convert to fraction form
    3,911.18/5,861.57 = 1,443.71/x
  3. Step 3: Cross multiply
    3,911.18x = 5,861.57 × 1,443.71
  4. Step 4: Simplify right side
    3,911.18x = 8,462,414.66
  5. Step 5: Solve for x
    x = 8,462,414.66/3,911.18
  6. Step 6: Final answer
    x = 2,163.65

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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.