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Finding the Fourth Proportional to 2,266.95, 3,396.77 and 1,919.46

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Solution

The fourth proportional to 2,266.95, 3,396.77 and 1,919.46 is: 2,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.95 : 3,396.77 = 1,919.46 : x
  2. Step 2: Convert to fraction form
    2,266.95/3,396.77 = 1,919.46/x
  3. Step 3: Cross multiply
    2,266.95x = 3,396.77 × 1,919.46
  4. Step 4: Simplify right side
    2,266.95x = 6,519,964.14
  5. Step 5: Solve for x
    x = 6,519,964.14/2,266.95
  6. Step 6: Final answer
    x = 2,876.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.