Home / 3,179.76-4,768.99-1,204.71

Finding the Fourth Proportional to 3,179.76, 4,768.99 and 1,204.71

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Solution

The fourth proportional to 3,179.76, 4,768.99 and 1,204.71 is: 1,806.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.76 : 4,768.99 = 1,204.71 : x
  2. Step 2: Convert to fraction form
    3,179.76/4,768.99 = 1,204.71/x
  3. Step 3: Cross multiply
    3,179.76x = 4,768.99 × 1,204.71
  4. Step 4: Simplify right side
    3,179.76x = 5,745,249.94
  5. Step 5: Solve for x
    x = 5,745,249.94/3,179.76
  6. Step 6: Final answer
    x = 1,806.82

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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.