Home / 4,121.80-6,183.60-2,042.80

Finding the Fourth Proportional to 4,121.80, 6,183.60 and 2,042.80

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Solution

The fourth proportional to 4,121.80, 6,183.60 and 2,042.80 is: 3,064.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.80 : 6,183.60 = 2,042.80 : x
  2. Step 2: Convert to fraction form
    4,121.80/6,183.60 = 2,042.80/x
  3. Step 3: Cross multiply
    4,121.80x = 6,183.60 × 2,042.80
  4. Step 4: Simplify right side
    4,121.80x = 12,631,858.08
  5. Step 5: Solve for x
    x = 12,631,858.08/4,121.80
  6. Step 6: Final answer
    x = 3,064.65

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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.