Home / 3,072.98-4,236.09-2,327.78

Finding the Fourth Proportional to 3,072.98, 4,236.09 and 2,327.78

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Solution

The fourth proportional to 3,072.98, 4,236.09 and 2,327.78 is: 3,208.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.98 : 4,236.09 = 2,327.78 : x
  2. Step 2: Convert to fraction form
    3,072.98/4,236.09 = 2,327.78/x
  3. Step 3: Cross multiply
    3,072.98x = 4,236.09 × 2,327.78
  4. Step 4: Simplify right side
    3,072.98x = 9,860,685.58
  5. Step 5: Solve for x
    x = 9,860,685.58/3,072.98
  6. Step 6: Final answer
    x = 3,208.83

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1.5x scale

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.