Home / 3,199.08-4,412.97-2,005.80

Finding the Fourth Proportional to 3,199.08, 4,412.97 and 2,005.80

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Solution

The fourth proportional to 3,199.08, 4,412.97 and 2,005.80 is: 2,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.08 : 4,412.97 = 2,005.80 : x
  2. Step 2: Convert to fraction form
    3,199.08/4,412.97 = 2,005.80/x
  3. Step 3: Cross multiply
    3,199.08x = 4,412.97 × 2,005.80
  4. Step 4: Simplify right side
    3,199.08x = 8,851,535.23
  5. Step 5: Solve for x
    x = 8,851,535.23/3,199.08
  6. Step 6: Final answer
    x = 2,766.90

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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.