Home / 3,936.24-5,905.98-2,180.97

Finding the Fourth Proportional to 3,936.24, 5,905.98 and 2,180.97

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Solution

The fourth proportional to 3,936.24, 5,905.98 and 2,180.97 is: 3,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.24 : 5,905.98 = 2,180.97 : x
  2. Step 2: Convert to fraction form
    3,936.24/5,905.98 = 2,180.97/x
  3. Step 3: Cross multiply
    3,936.24x = 5,905.98 × 2,180.97
  4. Step 4: Simplify right side
    3,936.24x = 12,880,765.20
  5. Step 5: Solve for x
    x = 12,880,765.20/3,936.24
  6. Step 6: Final answer
    x = 3,272.35

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1.5x scale

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.