Home / 1,879.38-2,819.79-1,755.54

Finding the Fourth Proportional to 1,879.38, 2,819.79 and 1,755.54

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Solution

The fourth proportional to 1,879.38, 2,819.79 and 1,755.54 is: 2,633.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879.38 : 2,819.79 = 1,755.54 : x
  2. Step 2: Convert to fraction form
    1,879.38/2,819.79 = 1,755.54/x
  3. Step 3: Cross multiply
    1,879.38x = 2,819.79 × 1,755.54
  4. Step 4: Simplify right side
    1,879.38x = 4,950,254.14
  5. Step 5: Solve for x
    x = 4,950,254.14/1,879.38
  6. Step 6: Final answer
    x = 2,633.98

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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.