Home / 3,168.84-4,753.26-1,319.92

Finding the Fourth Proportional to 3,168.84, 4,753.26 and 1,319.92

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Solution

The fourth proportional to 3,168.84, 4,753.26 and 1,319.92 is: 1,979.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.84 : 4,753.26 = 1,319.92 : x
  2. Step 2: Convert to fraction form
    3,168.84/4,753.26 = 1,319.92/x
  3. Step 3: Cross multiply
    3,168.84x = 4,753.26 × 1,319.92
  4. Step 4: Simplify right side
    3,168.84x = 6,273,922.94
  5. Step 5: Solve for x
    x = 6,273,922.94/3,168.84
  6. Step 6: Final answer
    x = 1,979.88

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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.