Home / 3,910.91-5,858.81-2,174.27

Finding the Fourth Proportional to 3,910.91, 5,858.81 and 2,174.27

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Solution

The fourth proportional to 3,910.91, 5,858.81 and 2,174.27 is: 3,257.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.91 : 5,858.81 = 2,174.27 : x
  2. Step 2: Convert to fraction form
    3,910.91/5,858.81 = 2,174.27/x
  3. Step 3: Cross multiply
    3,910.91x = 5,858.81 × 2,174.27
  4. Step 4: Simplify right side
    3,910.91x = 12,738,646.75
  5. Step 5: Solve for x
    x = 12,738,646.75/3,910.91
  6. Step 6: Final answer
    x = 3,257.21

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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.