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Finding the Fourth Proportional to 2,768.74, 3,819.10 and 1,773.66

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Solution

The fourth proportional to 2,768.74, 3,819.10 and 1,773.66 is: 2,446.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.74 : 3,819.10 = 1,773.66 : x
  2. Step 2: Convert to fraction form
    2,768.74/3,819.10 = 1,773.66/x
  3. Step 3: Cross multiply
    2,768.74x = 3,819.10 × 1,773.66
  4. Step 4: Simplify right side
    2,768.74x = 6,773,784.91
  5. Step 5: Solve for x
    x = 6,773,784.91/2,768.74
  6. Step 6: Final answer
    x = 2,446.52

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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.