Home / 3,964.35-5,944.81-2,115.06

Finding the Fourth Proportional to 3,964.35, 5,944.81 and 2,115.06

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Solution

The fourth proportional to 3,964.35, 5,944.81 and 2,115.06 is: 3,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.35 : 5,944.81 = 2,115.06 : x
  2. Step 2: Convert to fraction form
    3,964.35/5,944.81 = 2,115.06/x
  3. Step 3: Cross multiply
    3,964.35x = 5,944.81 × 2,115.06
  4. Step 4: Simplify right side
    3,964.35x = 12,573,629.84
  5. Step 5: Solve for x
    x = 12,573,629.84/3,964.35
  6. Step 6: Final answer
    x = 3,171.68

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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.