Home / 3,964.96-5,942.18-2,112.08

Finding the Fourth Proportional to 3,964.96, 5,942.18 and 2,112.08

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Solution

The fourth proportional to 3,964.96, 5,942.18 and 2,112.08 is: 3,165.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.96 : 5,942.18 = 2,112.08 : x
  2. Step 2: Convert to fraction form
    3,964.96/5,942.18 = 2,112.08/x
  3. Step 3: Cross multiply
    3,964.96x = 5,942.18 × 2,112.08
  4. Step 4: Simplify right side
    3,964.96x = 12,550,359.53
  5. Step 5: Solve for x
    x = 12,550,359.53/3,964.96
  6. Step 6: Final answer
    x = 3,165.32

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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.