Home / 3,961.07-5,939.73-2,318.12

Finding the Fourth Proportional to 3,961.07, 5,939.73 and 2,318.12

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Solution

The fourth proportional to 3,961.07, 5,939.73 and 2,318.12 is: 3,476.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.07 : 5,939.73 = 2,318.12 : x
  2. Step 2: Convert to fraction form
    3,961.07/5,939.73 = 2,318.12/x
  3. Step 3: Cross multiply
    3,961.07x = 5,939.73 × 2,318.12
  4. Step 4: Simplify right side
    3,961.07x = 13,769,006.91
  5. Step 5: Solve for x
    x = 13,769,006.91/3,961.07
  6. Step 6: Final answer
    x = 3,476.08

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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.