Home / 3,765.33-5,195.99-2,086.80

Finding the Fourth Proportional to 3,765.33, 5,195.99 and 2,086.80

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Solution

The fourth proportional to 3,765.33, 5,195.99 and 2,086.80 is: 2,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.33 : 5,195.99 = 2,086.80 : x
  2. Step 2: Convert to fraction form
    3,765.33/5,195.99 = 2,086.80/x
  3. Step 3: Cross multiply
    3,765.33x = 5,195.99 × 2,086.80
  4. Step 4: Simplify right side
    3,765.33x = 10,842,991.93
  5. Step 5: Solve for x
    x = 10,842,991.93/3,765.33
  6. Step 6: Final answer
    x = 2,879.70

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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.