Home / 3,218.27-4,441.79-1,892.04

Finding the Fourth Proportional to 3,218.27, 4,441.79 and 1,892.04

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Solution

The fourth proportional to 3,218.27, 4,441.79 and 1,892.04 is: 2,611.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.27 : 4,441.79 = 1,892.04 : x
  2. Step 2: Convert to fraction form
    3,218.27/4,441.79 = 1,892.04/x
  3. Step 3: Cross multiply
    3,218.27x = 4,441.79 × 1,892.04
  4. Step 4: Simplify right side
    3,218.27x = 8,404,034.89
  5. Step 5: Solve for x
    x = 8,404,034.89/3,218.27
  6. Step 6: Final answer
    x = 2,611.36

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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.