Home / 3,938.39-5,899.49-2,844.95

Finding the Fourth Proportional to 3,938.39, 5,899.49 and 2,844.95

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Solution

The fourth proportional to 3,938.39, 5,899.49 and 2,844.95 is: 4,261.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.39 : 5,899.49 = 2,844.95 : x
  2. Step 2: Convert to fraction form
    3,938.39/5,899.49 = 2,844.95/x
  3. Step 3: Cross multiply
    3,938.39x = 5,899.49 × 2,844.95
  4. Step 4: Simplify right side
    3,938.39x = 16,783,739.85
  5. Step 5: Solve for x
    x = 16,783,739.85/3,938.39
  6. Step 6: Final answer
    x = 4,261.57

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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.