Home / 3,442.92-5,164.50-2,111.81

Finding the Fourth Proportional to 3,442.92, 5,164.50 and 2,111.81

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Solution

The fourth proportional to 3,442.92, 5,164.50 and 2,111.81 is: 3,167.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.92 : 5,164.50 = 2,111.81 : x
  2. Step 2: Convert to fraction form
    3,442.92/5,164.50 = 2,111.81/x
  3. Step 3: Cross multiply
    3,442.92x = 5,164.50 × 2,111.81
  4. Step 4: Simplify right side
    3,442.92x = 10,906,442.75
  5. Step 5: Solve for x
    x = 10,906,442.75/3,442.92
  6. Step 6: Final answer
    x = 3,167.79

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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.