Home / 3,168.20-4,753.11-1,219.88

Finding the Fourth Proportional to 3,168.20, 4,753.11 and 1,219.88

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Solution

The fourth proportional to 3,168.20, 4,753.11 and 1,219.88 is: 1,830.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.20 : 4,753.11 = 1,219.88 : x
  2. Step 2: Convert to fraction form
    3,168.20/4,753.11 = 1,219.88/x
  3. Step 3: Cross multiply
    3,168.20x = 4,753.11 × 1,219.88
  4. Step 4: Simplify right side
    3,168.20x = 5,798,223.83
  5. Step 5: Solve for x
    x = 5,798,223.83/3,168.20
  6. Step 6: Final answer
    x = 1,830.13

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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.