Home / 3,261.78-4,496.85-2,212.02

Finding the Fourth Proportional to 3,261.78, 4,496.85 and 2,212.02

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Solution

The fourth proportional to 3,261.78, 4,496.85 and 2,212.02 is: 3,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.78 : 4,496.85 = 2,212.02 : x
  2. Step 2: Convert to fraction form
    3,261.78/4,496.85 = 2,212.02/x
  3. Step 3: Cross multiply
    3,261.78x = 4,496.85 × 2,212.02
  4. Step 4: Simplify right side
    3,261.78x = 9,947,122.14
  5. Step 5: Solve for x
    x = 9,947,122.14/3,261.78
  6. Step 6: Final answer
    x = 3,049.60

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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.