Home / 3,910.46-5,869.74-2,270.22

Finding the Fourth Proportional to 3,910.46, 5,869.74 and 2,270.22

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Solution

The fourth proportional to 3,910.46, 5,869.74 and 2,270.22 is: 3,407.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.46 : 5,869.74 = 2,270.22 : x
  2. Step 2: Convert to fraction form
    3,910.46/5,869.74 = 2,270.22/x
  3. Step 3: Cross multiply
    3,910.46x = 5,869.74 × 2,270.22
  4. Step 4: Simplify right side
    3,910.46x = 13,325,601.14
  5. Step 5: Solve for x
    x = 13,325,601.14/3,910.46
  6. Step 6: Final answer
    x = 3,407.68

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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.