Home / 3,879.70-5,819.94-2,418.46

Finding the Fourth Proportional to 3,879.70, 5,819.94 and 2,418.46

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Solution

The fourth proportional to 3,879.70, 5,819.94 and 2,418.46 is: 3,627.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879.70 : 5,819.94 = 2,418.46 : x
  2. Step 2: Convert to fraction form
    3,879.70/5,819.94 = 2,418.46/x
  3. Step 3: Cross multiply
    3,879.70x = 5,819.94 × 2,418.46
  4. Step 4: Simplify right side
    3,879.70x = 14,075,292.09
  5. Step 5: Solve for x
    x = 14,075,292.09/3,879.70
  6. Step 6: Final answer
    x = 3,627.93

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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.