Home / 2,727.48-3,764.33-1,665.86

Finding the Fourth Proportional to 2,727.48, 3,764.33 and 1,665.86

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Solution

The fourth proportional to 2,727.48, 3,764.33 and 1,665.86 is: 2,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.48 : 3,764.33 = 1,665.86 : x
  2. Step 2: Convert to fraction form
    2,727.48/3,764.33 = 1,665.86/x
  3. Step 3: Cross multiply
    2,727.48x = 3,764.33 × 1,665.86
  4. Step 4: Simplify right side
    2,727.48x = 6,270,819.62
  5. Step 5: Solve for x
    x = 6,270,819.62/2,727.48
  6. Step 6: Final answer
    x = 2,299.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.