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Finding the Fourth Proportional to 2,693.78, 3,716.50 and 1,514.60

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Solution

The fourth proportional to 2,693.78, 3,716.50 and 1,514.60 is: 2,089.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.78 : 3,716.50 = 1,514.60 : x
  2. Step 2: Convert to fraction form
    2,693.78/3,716.50 = 1,514.60/x
  3. Step 3: Cross multiply
    2,693.78x = 3,716.50 × 1,514.60
  4. Step 4: Simplify right side
    2,693.78x = 5,629,010.90
  5. Step 5: Solve for x
    x = 5,629,010.90/2,693.78
  6. Step 6: Final answer
    x = 2,089.63

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