Home / 3,984.63-5,971.79-3,322.38

Finding the Fourth Proportional to 3,984.63, 5,971.79 and 3,322.38

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Solution

The fourth proportional to 3,984.63, 5,971.79 and 3,322.38 is: 4,979.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.63 : 5,971.79 = 3,322.38 : x
  2. Step 2: Convert to fraction form
    3,984.63/5,971.79 = 3,322.38/x
  3. Step 3: Cross multiply
    3,984.63x = 5,971.79 × 3,322.38
  4. Step 4: Simplify right side
    3,984.63x = 19,840,586.36
  5. Step 5: Solve for x
    x = 19,840,586.36/3,984.63
  6. Step 6: Final answer
    x = 4,979.28

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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.