Home / 3,956.68-5,929.82-2,911.79

Finding the Fourth Proportional to 3,956.68, 5,929.82 and 2,911.79

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Solution

The fourth proportional to 3,956.68, 5,929.82 and 2,911.79 is: 4,363.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.68 : 5,929.82 = 2,911.79 : x
  2. Step 2: Convert to fraction form
    3,956.68/5,929.82 = 2,911.79/x
  3. Step 3: Cross multiply
    3,956.68x = 5,929.82 × 2,911.79
  4. Step 4: Simplify right side
    3,956.68x = 17,266,360.93
  5. Step 5: Solve for x
    x = 17,266,360.93/3,956.68
  6. Step 6: Final answer
    x = 4,363.86

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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.