Home / 3,208.98-4,418.10-2,794.80

Finding the Fourth Proportional to 3,208.98, 4,418.10 and 2,794.80

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Solution

The fourth proportional to 3,208.98, 4,418.10 and 2,794.80 is: 3,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.98 : 4,418.10 = 2,794.80 : x
  2. Step 2: Convert to fraction form
    3,208.98/4,418.10 = 2,794.80/x
  3. Step 3: Cross multiply
    3,208.98x = 4,418.10 × 2,794.80
  4. Step 4: Simplify right side
    3,208.98x = 12,347,705.88
  5. Step 5: Solve for x
    x = 12,347,705.88/3,208.98
  6. Step 6: Final answer
    x = 3,847.86

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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.