Home / 3,942.59-5,913.88-2,212.43

Finding the Fourth Proportional to 3,942.59, 5,913.88 and 2,212.43

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Solution

The fourth proportional to 3,942.59, 5,913.88 and 2,212.43 is: 3,318.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.59 : 5,913.88 = 2,212.43 : x
  2. Step 2: Convert to fraction form
    3,942.59/5,913.88 = 2,212.43/x
  3. Step 3: Cross multiply
    3,942.59x = 5,913.88 × 2,212.43
  4. Step 4: Simplify right side
    3,942.59x = 13,084,010.43
  5. Step 5: Solve for x
    x = 13,084,010.43/3,942.59
  6. Step 6: Final answer
    x = 3,318.64

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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.