Home / 3,331.74-4,999.83-1,383.95

Finding the Fourth Proportional to 3,331.74, 4,999.83 and 1,383.95

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Solution

The fourth proportional to 3,331.74, 4,999.83 and 1,383.95 is: 2,076.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.74 : 4,999.83 = 1,383.95 : x
  2. Step 2: Convert to fraction form
    3,331.74/4,999.83 = 1,383.95/x
  3. Step 3: Cross multiply
    3,331.74x = 4,999.83 × 1,383.95
  4. Step 4: Simplify right side
    3,331.74x = 6,919,489.73
  5. Step 5: Solve for x
    x = 6,919,489.73/3,331.74
  6. Step 6: Final answer
    x = 2,076.84

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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.