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Finding the Fourth Proportional to 2,797.02, 3,857.79 and 2,672.94

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Solution

The fourth proportional to 2,797.02, 3,857.79 and 2,672.94 is: 3,686.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.02 : 3,857.79 = 2,672.94 : x
  2. Step 2: Convert to fraction form
    2,797.02/3,857.79 = 2,672.94/x
  3. Step 3: Cross multiply
    2,797.02x = 3,857.79 × 2,672.94
  4. Step 4: Simplify right side
    2,797.02x = 10,311,641.20
  5. Step 5: Solve for x
    x = 10,311,641.20/2,797.02
  6. Step 6: Final answer
    x = 3,686.65

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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.