Home / 3,199.20-4,795.96-1,252.80

Finding the Fourth Proportional to 3,199.20, 4,795.96 and 1,252.80

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Solution

The fourth proportional to 3,199.20, 4,795.96 and 1,252.80 is: 1,878.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.20 : 4,795.96 = 1,252.80 : x
  2. Step 2: Convert to fraction form
    3,199.20/4,795.96 = 1,252.80/x
  3. Step 3: Cross multiply
    3,199.20x = 4,795.96 × 1,252.80
  4. Step 4: Simplify right side
    3,199.20x = 6,008,378.69
  5. Step 5: Solve for x
    x = 6,008,378.69/3,199.20
  6. Step 6: Final answer
    x = 1,878.09

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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.