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Finding the Fourth Proportional to 2,646.41, 3,968.34 and 797.18

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Solution

The fourth proportional to 2,646.41, 3,968.34 and 797.18 is: 1,195.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646.41 : 3,968.34 = 797.18 : x
  2. Step 2: Convert to fraction form
    2,646.41/3,968.34 = 797.18/x
  3. Step 3: Cross multiply
    2,646.41x = 3,968.34 × 797.18
  4. Step 4: Simplify right side
    2,646.41x = 3,163,488.21
  5. Step 5: Solve for x
    x = 3,163,488.21/2,646.41
  6. Step 6: Final answer
    x = 1,195.39

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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.