Home / 3,984.24-5,966.60-3,286.64

Finding the Fourth Proportional to 3,984.24, 5,966.60 and 3,286.64

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Solution

The fourth proportional to 3,984.24, 5,966.60 and 3,286.64 is: 4,921.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.24 : 5,966.60 = 3,286.64 : x
  2. Step 2: Convert to fraction form
    3,984.24/5,966.60 = 3,286.64/x
  3. Step 3: Cross multiply
    3,984.24x = 5,966.60 × 3,286.64
  4. Step 4: Simplify right side
    3,984.24x = 19,610,066.22
  5. Step 5: Solve for x
    x = 19,610,066.22/3,984.24
  6. Step 6: Final answer
    x = 4,921.91

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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.