Home / 3,067.61-4,233.30-1,670.36

Finding the Fourth Proportional to 3,067.61, 4,233.30 and 1,670.36

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Solution

The fourth proportional to 3,067.61, 4,233.30 and 1,670.36 is: 2,305.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.61 : 4,233.30 = 1,670.36 : x
  2. Step 2: Convert to fraction form
    3,067.61/4,233.30 = 1,670.36/x
  3. Step 3: Cross multiply
    3,067.61x = 4,233.30 × 1,670.36
  4. Step 4: Simplify right side
    3,067.61x = 7,071,134.99
  5. Step 5: Solve for x
    x = 7,071,134.99/3,067.61
  6. Step 6: Final answer
    x = 2,305.10

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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.