Home / 3,956.40-5,922.15-2,716.56

Finding the Fourth Proportional to 3,956.40, 5,922.15 and 2,716.56

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Solution

The fourth proportional to 3,956.40, 5,922.15 and 2,716.56 is: 4,066.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.40 : 5,922.15 = 2,716.56 : x
  2. Step 2: Convert to fraction form
    3,956.40/5,922.15 = 2,716.56/x
  3. Step 3: Cross multiply
    3,956.40x = 5,922.15 × 2,716.56
  4. Step 4: Simplify right side
    3,956.40x = 16,087,875.80
  5. Step 5: Solve for x
    x = 16,087,875.80/3,956.40
  6. Step 6: Final answer
    x = 4,066.29

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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.