Home / 3,183.15-4,392.99-1,839

Finding the Fourth Proportional to 3,183.15, 4,392.99 and 1,839

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Solution

The fourth proportional to 3,183.15, 4,392.99 and 1,839 is: 2,537.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.15 : 4,392.99 = 1,839 : x
  2. Step 2: Convert to fraction form
    3,183.15/4,392.99 = 1,839/x
  3. Step 3: Cross multiply
    3,183.15x = 4,392.99 × 1,839
  4. Step 4: Simplify right side
    3,183.15x = 8,078,708.61
  5. Step 5: Solve for x
    x = 8,078,708.61/3,183.15
  6. Step 6: Final answer
    x = 2,537.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.