Home / 3,942.32-5,911.52-2,299.28

Finding the Fourth Proportional to 3,942.32, 5,911.52 and 2,299.28

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Solution

The fourth proportional to 3,942.32, 5,911.52 and 2,299.28 is: 3,447.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.32 : 5,911.52 = 2,299.28 : x
  2. Step 2: Convert to fraction form
    3,942.32/5,911.52 = 2,299.28/x
  3. Step 3: Cross multiply
    3,942.32x = 5,911.52 × 2,299.28
  4. Step 4: Simplify right side
    3,942.32x = 13,592,239.71
  5. Step 5: Solve for x
    x = 13,592,239.71/3,942.32
  6. Step 6: Final answer
    x = 3,447.78

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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.