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Finding the Fourth Proportional to 3,166.50, 4,369.98 and 1,769.28

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Solution

The fourth proportional to 3,166.50, 4,369.98 and 1,769.28 is: 2,441.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.50 : 4,369.98 = 1,769.28 : x
  2. Step 2: Convert to fraction form
    3,166.50/4,369.98 = 1,769.28/x
  3. Step 3: Cross multiply
    3,166.50x = 4,369.98 × 1,769.28
  4. Step 4: Simplify right side
    3,166.50x = 7,731,718.21
  5. Step 5: Solve for x
    x = 7,731,718.21/3,166.50
  6. Step 6: Final answer
    x = 2,441.72

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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.