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Finding the Fourth Proportional to 2,495.10, 3,742.62 and 763.73

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Solution

The fourth proportional to 2,495.10, 3,742.62 and 763.73 is: 1,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,495.10 : 3,742.62 = 763.73 : x
  2. Step 2: Convert to fraction form
    2,495.10/3,742.62 = 763.73/x
  3. Step 3: Cross multiply
    2,495.10x = 3,742.62 × 763.73
  4. Step 4: Simplify right side
    2,495.10x = 2,858,351.17
  5. Step 5: Solve for x
    x = 2,858,351.17/2,495.10
  6. Step 6: Final answer
    x = 1,145.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.