Home / 3,367.87-4,649.11-2,108.66

Finding the Fourth Proportional to 3,367.87, 4,649.11 and 2,108.66

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Solution

The fourth proportional to 3,367.87, 4,649.11 and 2,108.66 is: 2,910.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.87 : 4,649.11 = 2,108.66 : x
  2. Step 2: Convert to fraction form
    3,367.87/4,649.11 = 2,108.66/x
  3. Step 3: Cross multiply
    3,367.87x = 4,649.11 × 2,108.66
  4. Step 4: Simplify right side
    3,367.87x = 9,803,363.78
  5. Step 5: Solve for x
    x = 9,803,363.78/3,367.87
  6. Step 6: Final answer
    x = 2,910.85

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1.5x scale

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.