Home / 2,804.20-4,199.10-2,069.80

Finding the Fourth Proportional to 2,804.20, 4,199.10 and 2,069.80

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Solution

The fourth proportional to 2,804.20, 4,199.10 and 2,069.80 is: 3,099.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804.20 : 4,199.10 = 2,069.80 : x
  2. Step 2: Convert to fraction form
    2,804.20/4,199.10 = 2,069.80/x
  3. Step 3: Cross multiply
    2,804.20x = 4,199.10 × 2,069.80
  4. Step 4: Simplify right side
    2,804.20x = 8,691,297.18
  5. Step 5: Solve for x
    x = 8,691,297.18/2,804.20
  6. Step 6: Final answer
    x = 3,099.39

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1.5x scale

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.