Home / 3,195.20-4,794.60-1,790.84

Finding the Fourth Proportional to 3,195.20, 4,794.60 and 1,790.84

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Solution

The fourth proportional to 3,195.20, 4,794.60 and 1,790.84 is: 2,687.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.20 : 4,794.60 = 1,790.84 : x
  2. Step 2: Convert to fraction form
    3,195.20/4,794.60 = 1,790.84/x
  3. Step 3: Cross multiply
    3,195.20x = 4,794.60 × 1,790.84
  4. Step 4: Simplify right side
    3,195.20x = 8,586,361.46
  5. Step 5: Solve for x
    x = 8,586,361.46/3,195.20
  6. Step 6: Final answer
    x = 2,687.27

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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.