Home / 3,195.85-4,790.35-1,548.78

Finding the Fourth Proportional to 3,195.85, 4,790.35 and 1,548.78

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Solution

The fourth proportional to 3,195.85, 4,790.35 and 1,548.78 is: 2,321.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.85 : 4,790.35 = 1,548.78 : x
  2. Step 2: Convert to fraction form
    3,195.85/4,790.35 = 1,548.78/x
  3. Step 3: Cross multiply
    3,195.85x = 4,790.35 × 1,548.78
  4. Step 4: Simplify right side
    3,195.85x = 7,419,198.27
  5. Step 5: Solve for x
    x = 7,419,198.27/3,195.85
  6. Step 6: Final answer
    x = 2,321.51

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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.