Home / 2,861.92-4,291.44-1,217.56

Finding the Fourth Proportional to 2,861.92, 4,291.44 and 1,217.56

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Solution

The fourth proportional to 2,861.92, 4,291.44 and 1,217.56 is: 1,825.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.92 : 4,291.44 = 1,217.56 : x
  2. Step 2: Convert to fraction form
    2,861.92/4,291.44 = 1,217.56/x
  3. Step 3: Cross multiply
    2,861.92x = 4,291.44 × 1,217.56
  4. Step 4: Simplify right side
    2,861.92x = 5,225,085.69
  5. Step 5: Solve for x
    x = 5,225,085.69/2,861.92
  6. Step 6: Final answer
    x = 1,825.73

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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.