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Finding the Fourth Proportional to 2,716.87, 4,076.46 and 1,840.36

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Solution

The fourth proportional to 2,716.87, 4,076.46 and 1,840.36 is: 2,761.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.87 : 4,076.46 = 1,840.36 : x
  2. Step 2: Convert to fraction form
    2,716.87/4,076.46 = 1,840.36/x
  3. Step 3: Cross multiply
    2,716.87x = 4,076.46 × 1,840.36
  4. Step 4: Simplify right side
    2,716.87x = 7,502,153.93
  5. Step 5: Solve for x
    x = 7,502,153.93/2,716.87
  6. Step 6: Final answer
    x = 2,761.32

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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.