Home / 3,453.82-4,766.24-1,961.80

Finding the Fourth Proportional to 3,453.82, 4,766.24 and 1,961.80

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Solution

The fourth proportional to 3,453.82, 4,766.24 and 1,961.80 is: 2,707.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.82 : 4,766.24 = 1,961.80 : x
  2. Step 2: Convert to fraction form
    3,453.82/4,766.24 = 1,961.80/x
  3. Step 3: Cross multiply
    3,453.82x = 4,766.24 × 1,961.80
  4. Step 4: Simplify right side
    3,453.82x = 9,350,399.82
  5. Step 5: Solve for x
    x = 9,350,399.82/3,453.82
  6. Step 6: Final answer
    x = 2,707.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.