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Finding the Fourth Proportional to 3,956.85, 5,934.33 and 2,107.62

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Solution

The fourth proportional to 3,956.85, 5,934.33 and 2,107.62 is: 3,160.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.85 : 5,934.33 = 2,107.62 : x
  2. Step 2: Convert to fraction form
    3,956.85/5,934.33 = 2,107.62/x
  3. Step 3: Cross multiply
    3,956.85x = 5,934.33 × 2,107.62
  4. Step 4: Simplify right side
    3,956.85x = 12,507,312.59
  5. Step 5: Solve for x
    x = 12,507,312.59/3,956.85
  6. Step 6: Final answer
    x = 3,160.93

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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.