Home / 2,819.30-4,226.07-1,995.62

Finding the Fourth Proportional to 2,819.30, 4,226.07 and 1,995.62

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Solution

The fourth proportional to 2,819.30, 4,226.07 and 1,995.62 is: 2,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.30 : 4,226.07 = 1,995.62 : x
  2. Step 2: Convert to fraction form
    2,819.30/4,226.07 = 1,995.62/x
  3. Step 3: Cross multiply
    2,819.30x = 4,226.07 × 1,995.62
  4. Step 4: Simplify right side
    2,819.30x = 8,433,629.81
  5. Step 5: Solve for x
    x = 8,433,629.81/2,819.30
  6. Step 6: Final answer
    x = 2,991.39

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1.5x scale

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.