Home / 3,067.75-4,233.59-1,670.59

Finding the Fourth Proportional to 3,067.75, 4,233.59 and 1,670.59

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Solution

The fourth proportional to 3,067.75, 4,233.59 and 1,670.59 is: 2,305.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.75 : 4,233.59 = 1,670.59 : x
  2. Step 2: Convert to fraction form
    3,067.75/4,233.59 = 1,670.59/x
  3. Step 3: Cross multiply
    3,067.75x = 4,233.59 × 1,670.59
  4. Step 4: Simplify right side
    3,067.75x = 7,072,593.12
  5. Step 5: Solve for x
    x = 7,072,593.12/3,067.75
  6. Step 6: Final answer
    x = 2,305.47

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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.