Home / 3,401.82-4,694.37-1,909.86

Finding the Fourth Proportional to 3,401.82, 4,694.37 and 1,909.86

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Solution

The fourth proportional to 3,401.82, 4,694.37 and 1,909.86 is: 2,635.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.82 : 4,694.37 = 1,909.86 : x
  2. Step 2: Convert to fraction form
    3,401.82/4,694.37 = 1,909.86/x
  3. Step 3: Cross multiply
    3,401.82x = 4,694.37 × 1,909.86
  4. Step 4: Simplify right side
    3,401.82x = 8,965,589.49
  5. Step 5: Solve for x
    x = 8,965,589.49/3,401.82
  6. Step 6: Final answer
    x = 2,635.53

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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.