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Finding the Fourth Proportional to 3,103.94, 4,283.53 and 1,687.73

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Solution

The fourth proportional to 3,103.94, 4,283.53 and 1,687.73 is: 2,329.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.94 : 4,283.53 = 1,687.73 : x
  2. Step 2: Convert to fraction form
    3,103.94/4,283.53 = 1,687.73/x
  3. Step 3: Cross multiply
    3,103.94x = 4,283.53 × 1,687.73
  4. Step 4: Simplify right side
    3,103.94x = 7,229,416.45
  5. Step 5: Solve for x
    x = 7,229,416.45/3,103.94
  6. Step 6: Final answer
    x = 2,329.11

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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.