Home / 1,819.68-2,727.48-1,160.52

Finding the Fourth Proportional to 1,819.68, 2,727.48 and 1,160.52

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Solution

The fourth proportional to 1,819.68, 2,727.48 and 1,160.52 is: 1,739.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.68 : 2,727.48 = 1,160.52 : x
  2. Step 2: Convert to fraction form
    1,819.68/2,727.48 = 1,160.52/x
  3. Step 3: Cross multiply
    1,819.68x = 2,727.48 × 1,160.52
  4. Step 4: Simplify right side
    1,819.68x = 3,165,295.09
  5. Step 5: Solve for x
    x = 3,165,295.09/1,819.68
  6. Step 6: Final answer
    x = 1,739.48

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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.