Home / 3,898.46-5,850.68-2,861.15

Finding the Fourth Proportional to 3,898.46, 5,850.68 and 2,861.15

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Solution

The fourth proportional to 3,898.46, 5,850.68 and 2,861.15 is: 4,293.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898.46 : 5,850.68 = 2,861.15 : x
  2. Step 2: Convert to fraction form
    3,898.46/5,850.68 = 2,861.15/x
  3. Step 3: Cross multiply
    3,898.46x = 5,850.68 × 2,861.15
  4. Step 4: Simplify right side
    3,898.46x = 16,739,629.52
  5. Step 5: Solve for x
    x = 16,739,629.52/3,898.46
  6. Step 6: Final answer
    x = 4,293.91

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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.