Home / 3,255.49-4,871.14-1,939.95

Finding the Fourth Proportional to 3,255.49, 4,871.14 and 1,939.95

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Solution

The fourth proportional to 3,255.49, 4,871.14 and 1,939.95 is: 2,902.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.49 : 4,871.14 = 1,939.95 : x
  2. Step 2: Convert to fraction form
    3,255.49/4,871.14 = 1,939.95/x
  3. Step 3: Cross multiply
    3,255.49x = 4,871.14 × 1,939.95
  4. Step 4: Simplify right side
    3,255.49x = 9,449,763.19
  5. Step 5: Solve for x
    x = 9,449,763.19/3,255.49
  6. Step 6: Final answer
    x = 2,902.71

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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.