Home / 1,819.88-2,724.48-1,382.84

Finding the Fourth Proportional to 1,819.88, 2,724.48 and 1,382.84

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Solution

The fourth proportional to 1,819.88, 2,724.48 and 1,382.84 is: 2,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.88 : 2,724.48 = 1,382.84 : x
  2. Step 2: Convert to fraction form
    1,819.88/2,724.48 = 1,382.84/x
  3. Step 3: Cross multiply
    1,819.88x = 2,724.48 × 1,382.84
  4. Step 4: Simplify right side
    1,819.88x = 3,767,519.92
  5. Step 5: Solve for x
    x = 3,767,519.92/1,819.88
  6. Step 6: Final answer
    x = 2,070.20

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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.