Home / 3,103.41-4,644.19-2,161.79

Finding the Fourth Proportional to 3,103.41, 4,644.19 and 2,161.79

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Solution

The fourth proportional to 3,103.41, 4,644.19 and 2,161.79 is: 3,235.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.41 : 4,644.19 = 2,161.79 : x
  2. Step 2: Convert to fraction form
    3,103.41/4,644.19 = 2,161.79/x
  3. Step 3: Cross multiply
    3,103.41x = 4,644.19 × 2,161.79
  4. Step 4: Simplify right side
    3,103.41x = 10,039,748.24
  5. Step 5: Solve for x
    x = 10,039,748.24/3,103.41
  6. Step 6: Final answer
    x = 3,235.07

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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.