Home / 3,195.45-4,786.90-2,847.15

Finding the Fourth Proportional to 3,195.45, 4,786.90 and 2,847.15

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Solution

The fourth proportional to 3,195.45, 4,786.90 and 2,847.15 is: 4,265.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.45 : 4,786.90 = 2,847.15 : x
  2. Step 2: Convert to fraction form
    3,195.45/4,786.90 = 2,847.15/x
  3. Step 3: Cross multiply
    3,195.45x = 4,786.90 × 2,847.15
  4. Step 4: Simplify right side
    3,195.45x = 13,629,015.22
  5. Step 5: Solve for x
    x = 13,629,015.22/3,195.45
  6. Step 6: Final answer
    x = 4,265.13

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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.