Home / 3,176.92-4,763.76-1,327.53

Finding the Fourth Proportional to 3,176.92, 4,763.76 and 1,327.53

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Solution

The fourth proportional to 3,176.92, 4,763.76 and 1,327.53 is: 1,990.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.92 : 4,763.76 = 1,327.53 : x
  2. Step 2: Convert to fraction form
    3,176.92/4,763.76 = 1,327.53/x
  3. Step 3: Cross multiply
    3,176.92x = 4,763.76 × 1,327.53
  4. Step 4: Simplify right side
    3,176.92x = 6,324,027.68
  5. Step 5: Solve for x
    x = 6,324,027.68/3,176.92
  6. Step 6: Final answer
    x = 1,990.62

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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.