Home / 3,254.61-4,878.21-1,379.33

Finding the Fourth Proportional to 3,254.61, 4,878.21 and 1,379.33

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Solution

The fourth proportional to 3,254.61, 4,878.21 and 1,379.33 is: 2,067.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.61 : 4,878.21 = 1,379.33 : x
  2. Step 2: Convert to fraction form
    3,254.61/4,878.21 = 1,379.33/x
  3. Step 3: Cross multiply
    3,254.61x = 4,878.21 × 1,379.33
  4. Step 4: Simplify right side
    3,254.61x = 6,728,661.40
  5. Step 5: Solve for x
    x = 6,728,661.40/3,254.61
  6. Step 6: Final answer
    x = 2,067.42

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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.