Home / 3,940.25-5,910.36-2,703.91

Finding the Fourth Proportional to 3,940.25, 5,910.36 and 2,703.91

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Solution

The fourth proportional to 3,940.25, 5,910.36 and 2,703.91 is: 4,055.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940.25 : 5,910.36 = 2,703.91 : x
  2. Step 2: Convert to fraction form
    3,940.25/5,910.36 = 2,703.91/x
  3. Step 3: Cross multiply
    3,940.25x = 5,910.36 × 2,703.91
  4. Step 4: Simplify right side
    3,940.25x = 15,981,051.96
  5. Step 5: Solve for x
    x = 15,981,051.96/3,940.25
  6. Step 6: Final answer
    x = 4,055.85

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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.