Home / 3,209.25-4,432.41-2,159.49

Finding the Fourth Proportional to 3,209.25, 4,432.41 and 2,159.49

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Solution

The fourth proportional to 3,209.25, 4,432.41 and 2,159.49 is: 2,982.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.25 : 4,432.41 = 2,159.49 : x
  2. Step 2: Convert to fraction form
    3,209.25/4,432.41 = 2,159.49/x
  3. Step 3: Cross multiply
    3,209.25x = 4,432.41 × 2,159.49
  4. Step 4: Simplify right side
    3,209.25x = 9,571,745.07
  5. Step 5: Solve for x
    x = 9,571,745.07/3,209.25
  6. Step 6: Final answer
    x = 2,982.55

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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.