Home / 2,819.58-4,230.40-1,896.90

Finding the Fourth Proportional to 2,819.58, 4,230.40 and 1,896.90

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Solution

The fourth proportional to 2,819.58, 4,230.40 and 1,896.90 is: 2,846.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.58 : 4,230.40 = 1,896.90 : x
  2. Step 2: Convert to fraction form
    2,819.58/4,230.40 = 1,896.90/x
  3. Step 3: Cross multiply
    2,819.58x = 4,230.40 × 1,896.90
  4. Step 4: Simplify right side
    2,819.58x = 8,024,645.76
  5. Step 5: Solve for x
    x = 8,024,645.76/2,819.58
  6. Step 6: Final answer
    x = 2,846.04

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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.