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Finding the Fourth Proportional to 3,891.01, 5,368.06 and 2,396.33

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Solution

The fourth proportional to 3,891.01, 5,368.06 and 2,396.33 is: 3,305.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891.01 : 5,368.06 = 2,396.33 : x
  2. Step 2: Convert to fraction form
    3,891.01/5,368.06 = 2,396.33/x
  3. Step 3: Cross multiply
    3,891.01x = 5,368.06 × 2,396.33
  4. Step 4: Simplify right side
    3,891.01x = 12,863,643.22
  5. Step 5: Solve for x
    x = 12,863,643.22/3,891.01
  6. Step 6: Final answer
    x = 3,305.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.