Home / 2,819.88-4,232.30-1,340.91

Finding the Fourth Proportional to 2,819.88, 4,232.30 and 1,340.91

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Solution

The fourth proportional to 2,819.88, 4,232.30 and 1,340.91 is: 2,012.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.88 : 4,232.30 = 1,340.91 : x
  2. Step 2: Convert to fraction form
    2,819.88/4,232.30 = 1,340.91/x
  3. Step 3: Cross multiply
    2,819.88x = 4,232.30 × 1,340.91
  4. Step 4: Simplify right side
    2,819.88x = 5,675,126.69
  5. Step 5: Solve for x
    x = 5,675,126.69/2,819.88
  6. Step 6: Final answer
    x = 2,012.54

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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.