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Finding the Fourth Proportional to 3,447.81, 5,170.91 and 1,716.03

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Solution

The fourth proportional to 3,447.81, 5,170.91 and 1,716.03 is: 2,573.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.81 : 5,170.91 = 1,716.03 : x
  2. Step 2: Convert to fraction form
    3,447.81/5,170.91 = 1,716.03/x
  3. Step 3: Cross multiply
    3,447.81x = 5,170.91 × 1,716.03
  4. Step 4: Simplify right side
    3,447.81x = 8,873,428.11
  5. Step 5: Solve for x
    x = 8,873,428.11/3,447.81
  6. Step 6: Final answer
    x = 2,573.64

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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.