Home / 3,956.86-5,930.10-2,911.97

Finding the Fourth Proportional to 3,956.86, 5,930.10 and 2,911.97

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Solution

The fourth proportional to 3,956.86, 5,930.10 and 2,911.97 is: 4,364.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.86 : 5,930.10 = 2,911.97 : x
  2. Step 2: Convert to fraction form
    3,956.86/5,930.10 = 2,911.97/x
  3. Step 3: Cross multiply
    3,956.86x = 5,930.10 × 2,911.97
  4. Step 4: Simplify right side
    3,956.86x = 17,268,273.30
  5. Step 5: Solve for x
    x = 17,268,273.30/3,956.86
  6. Step 6: Final answer
    x = 4,364.14

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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.