Home / 2,943.25-4,058.35-1,879.61

Finding the Fourth Proportional to 2,943.25, 4,058.35 and 1,879.61

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Solution

The fourth proportional to 2,943.25, 4,058.35 and 1,879.61 is: 2,591.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.25 : 4,058.35 = 1,879.61 : x
  2. Step 2: Convert to fraction form
    2,943.25/4,058.35 = 1,879.61/x
  3. Step 3: Cross multiply
    2,943.25x = 4,058.35 × 1,879.61
  4. Step 4: Simplify right side
    2,943.25x = 7,628,105.85
  5. Step 5: Solve for x
    x = 7,628,105.85/2,943.25
  6. Step 6: Final answer
    x = 2,591.73

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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.