Home / 1,819.08-2,727.54-1,305

Finding the Fourth Proportional to 1,819.08, 2,727.54 and 1,305

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Solution

The fourth proportional to 1,819.08, 2,727.54 and 1,305 is: 1,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.08 : 2,727.54 = 1,305 : x
  2. Step 2: Convert to fraction form
    1,819.08/2,727.54 = 1,305/x
  3. Step 3: Cross multiply
    1,819.08x = 2,727.54 × 1,305
  4. Step 4: Simplify right side
    1,819.08x = 3,559,439.70
  5. Step 5: Solve for x
    x = 3,559,439.70/1,819.08
  6. Step 6: Final answer
    x = 1,956.73

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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.