Home / 3,956.84-5,936.19-2,107.58

Finding the Fourth Proportional to 3,956.84, 5,936.19 and 2,107.58

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Solution

The fourth proportional to 3,956.84, 5,936.19 and 2,107.58 is: 3,161.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.84 : 5,936.19 = 2,107.58 : x
  2. Step 2: Convert to fraction form
    3,956.84/5,936.19 = 2,107.58/x
  3. Step 3: Cross multiply
    3,956.84x = 5,936.19 × 2,107.58
  4. Step 4: Simplify right side
    3,956.84x = 12,510,965.64
  5. Step 5: Solve for x
    x = 12,510,965.64/3,956.84
  6. Step 6: Final answer
    x = 3,161.86

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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.