Home / 2,805.15-4,195.37-2,067.15

Finding the Fourth Proportional to 2,805.15, 4,195.37 and 2,067.15

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Solution

The fourth proportional to 2,805.15, 4,195.37 and 2,067.15 is: 3,091.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805.15 : 4,195.37 = 2,067.15 : x
  2. Step 2: Convert to fraction form
    2,805.15/4,195.37 = 2,067.15/x
  3. Step 3: Cross multiply
    2,805.15x = 4,195.37 × 2,067.15
  4. Step 4: Simplify right side
    2,805.15x = 8,672,448.76
  5. Step 5: Solve for x
    x = 8,672,448.76/2,805.15
  6. Step 6: Final answer
    x = 3,091.62

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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.