Home / 3,892.05-5,836.68-1,942.92

Finding the Fourth Proportional to 3,892.05, 5,836.68 and 1,942.92

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Solution

The fourth proportional to 3,892.05, 5,836.68 and 1,942.92 is: 2,913.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.05 : 5,836.68 = 1,942.92 : x
  2. Step 2: Convert to fraction form
    3,892.05/5,836.68 = 1,942.92/x
  3. Step 3: Cross multiply
    3,892.05x = 5,836.68 × 1,942.92
  4. Step 4: Simplify right side
    3,892.05x = 11,340,202.31
  5. Step 5: Solve for x
    x = 11,340,202.31/3,892.05
  6. Step 6: Final answer
    x = 2,913.68

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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.