Home / 3,067.56-4,231.49-1,887.80

Finding the Fourth Proportional to 3,067.56, 4,231.49 and 1,887.80

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Solution

The fourth proportional to 3,067.56, 4,231.49 and 1,887.80 is: 2,604.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.56 : 4,231.49 = 1,887.80 : x
  2. Step 2: Convert to fraction form
    3,067.56/4,231.49 = 1,887.80/x
  3. Step 3: Cross multiply
    3,067.56x = 4,231.49 × 1,887.80
  4. Step 4: Simplify right side
    3,067.56x = 7,988,176.23
  5. Step 5: Solve for x
    x = 7,988,176.23/3,067.56
  6. Step 6: Final answer
    x = 2,604.08

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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.