Home / 3,910.17-5,396.06-2,231.56

Finding the Fourth Proportional to 3,910.17, 5,396.06 and 2,231.56

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Solution

The fourth proportional to 3,910.17, 5,396.06 and 2,231.56 is: 3,079.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.17 : 5,396.06 = 2,231.56 : x
  2. Step 2: Convert to fraction form
    3,910.17/5,396.06 = 2,231.56/x
  3. Step 3: Cross multiply
    3,910.17x = 5,396.06 × 2,231.56
  4. Step 4: Simplify right side
    3,910.17x = 12,041,631.65
  5. Step 5: Solve for x
    x = 12,041,631.65/3,910.17
  6. Step 6: Final answer
    x = 3,079.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.