Home / 1,519.92-2,080.80-1,481.04

Finding the Fourth Proportional to 1,519.92, 2,080.80 and 1,481.04

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Solution

The fourth proportional to 1,519.92, 2,080.80 and 1,481.04 is: 2,027.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.92 : 2,080.80 = 1,481.04 : x
  2. Step 2: Convert to fraction form
    1,519.92/2,080.80 = 1,481.04/x
  3. Step 3: Cross multiply
    1,519.92x = 2,080.80 × 1,481.04
  4. Step 4: Simplify right side
    1,519.92x = 3,081,748.03
  5. Step 5: Solve for x
    x = 3,081,748.03/1,519.92
  6. Step 6: Final answer
    x = 2,027.57

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.