Home / 3,956.38-5,938.14-2,109.04

Finding the Fourth Proportional to 3,956.38, 5,938.14 and 2,109.04

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Solution

The fourth proportional to 3,956.38, 5,938.14 and 2,109.04 is: 3,165.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.38 : 5,938.14 = 2,109.04 : x
  2. Step 2: Convert to fraction form
    3,956.38/5,938.14 = 2,109.04/x
  3. Step 3: Cross multiply
    3,956.38x = 5,938.14 × 2,109.04
  4. Step 4: Simplify right side
    3,956.38x = 12,523,774.79
  5. Step 5: Solve for x
    x = 12,523,774.79/3,956.38
  6. Step 6: Final answer
    x = 3,165.46

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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.