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Finding the Fourth Proportional to 1,895.76, 2,847.96 and 1,818

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Solution

The fourth proportional to 1,895.76, 2,847.96 and 1,818 is: 2,731.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.76 : 2,847.96 = 1,818 : x
  2. Step 2: Convert to fraction form
    1,895.76/2,847.96 = 1,818/x
  3. Step 3: Cross multiply
    1,895.76x = 2,847.96 × 1,818
  4. Step 4: Simplify right side
    1,895.76x = 5,177,591.28
  5. Step 5: Solve for x
    x = 5,177,591.28/1,895.76
  6. Step 6: Final answer
    x = 2,731.14

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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.