Home / 3,942.36-5,910.33-1,475.80

Finding the Fourth Proportional to 3,942.36, 5,910.33 and 1,475.80

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Solution

The fourth proportional to 3,942.36, 5,910.33 and 1,475.80 is: 2,212.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.36 : 5,910.33 = 1,475.80 : x
  2. Step 2: Convert to fraction form
    3,942.36/5,910.33 = 1,475.80/x
  3. Step 3: Cross multiply
    3,942.36x = 5,910.33 × 1,475.80
  4. Step 4: Simplify right side
    3,942.36x = 8,722,453.93
  5. Step 5: Solve for x
    x = 8,722,453.93/3,942.36
  6. Step 6: Final answer
    x = 2,212.50

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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.