Home / 3,108.35-4,660.63-1,231.99

Finding the Fourth Proportional to 3,108.35, 4,660.63 and 1,231.99

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Solution

The fourth proportional to 3,108.35, 4,660.63 and 1,231.99 is: 1,847.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.35 : 4,660.63 = 1,231.99 : x
  2. Step 2: Convert to fraction form
    3,108.35/4,660.63 = 1,231.99/x
  3. Step 3: Cross multiply
    3,108.35x = 4,660.63 × 1,231.99
  4. Step 4: Simplify right side
    3,108.35x = 5,741,849.55
  5. Step 5: Solve for x
    x = 5,741,849.55/3,108.35
  6. Step 6: Final answer
    x = 1,847.23

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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.