Home / 3,818.88-5,728.41-3,195.59

Finding the Fourth Proportional to 3,818.88, 5,728.41 and 3,195.59

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Solution

The fourth proportional to 3,818.88, 5,728.41 and 3,195.59 is: 4,793.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.88 : 5,728.41 = 3,195.59 : x
  2. Step 2: Convert to fraction form
    3,818.88/5,728.41 = 3,195.59/x
  3. Step 3: Cross multiply
    3,818.88x = 5,728.41 × 3,195.59
  4. Step 4: Simplify right side
    3,818.88x = 18,305,621.07
  5. Step 5: Solve for x
    x = 18,305,621.07/3,818.88
  6. Step 6: Final answer
    x = 4,793.45

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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.