Home / 4,122.15-6,183.24-1,348.80

Finding the Fourth Proportional to 4,122.15, 6,183.24 and 1,348.80

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Solution

The fourth proportional to 4,122.15, 6,183.24 and 1,348.80 is: 2,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.15 : 6,183.24 = 1,348.80 : x
  2. Step 2: Convert to fraction form
    4,122.15/6,183.24 = 1,348.80/x
  3. Step 3: Cross multiply
    4,122.15x = 6,183.24 × 1,348.80
  4. Step 4: Simplify right side
    4,122.15x = 8,339,954.11
  5. Step 5: Solve for x
    x = 8,339,954.11/4,122.15
  6. Step 6: Final answer
    x = 2,023.20

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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.