Home / 2,819.37-4,229.20-1,176.08

Finding the Fourth Proportional to 2,819.37, 4,229.20 and 1,176.08

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Solution

The fourth proportional to 2,819.37, 4,229.20 and 1,176.08 is: 1,764.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.37 : 4,229.20 = 1,176.08 : x
  2. Step 2: Convert to fraction form
    2,819.37/4,229.20 = 1,176.08/x
  3. Step 3: Cross multiply
    2,819.37x = 4,229.20 × 1,176.08
  4. Step 4: Simplify right side
    2,819.37x = 4,973,877.54
  5. Step 5: Solve for x
    x = 4,973,877.54/2,819.37
  6. Step 6: Final answer
    x = 1,764.18

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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.