Home / 3,387.42-5,067.56-2,930.11

Finding the Fourth Proportional to 3,387.42, 5,067.56 and 2,930.11

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Solution

The fourth proportional to 3,387.42, 5,067.56 and 2,930.11 is: 4,383.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.42 : 5,067.56 = 2,930.11 : x
  2. Step 2: Convert to fraction form
    3,387.42/5,067.56 = 2,930.11/x
  3. Step 3: Cross multiply
    3,387.42x = 5,067.56 × 2,930.11
  4. Step 4: Simplify right side
    3,387.42x = 14,848,502.89
  5. Step 5: Solve for x
    x = 14,848,502.89/3,387.42
  6. Step 6: Final answer
    x = 4,383.43

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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.