Home / 1,879.26-2,819.34-580.73

Finding the Fourth Proportional to 1,879.26, 2,819.34 and 580.73

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Solution

The fourth proportional to 1,879.26, 2,819.34 and 580.73 is: 871.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879.26 : 2,819.34 = 580.73 : x
  2. Step 2: Convert to fraction form
    1,879.26/2,819.34 = 580.73/x
  3. Step 3: Cross multiply
    1,879.26x = 2,819.34 × 580.73
  4. Step 4: Simplify right side
    1,879.26x = 1,637,275.32
  5. Step 5: Solve for x
    x = 1,637,275.32/1,879.26
  6. Step 6: Final answer
    x = 871.23

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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.