Home / 3,891.44-5,368.66-2,396.77

Finding the Fourth Proportional to 3,891.44, 5,368.66 and 2,396.77

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Solution

The fourth proportional to 3,891.44, 5,368.66 and 2,396.77 is: 3,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891.44 : 5,368.66 = 2,396.77 : x
  2. Step 2: Convert to fraction form
    3,891.44/5,368.66 = 2,396.77/x
  3. Step 3: Cross multiply
    3,891.44x = 5,368.66 × 2,396.77
  4. Step 4: Simplify right side
    3,891.44x = 12,867,443.23
  5. Step 5: Solve for x
    x = 12,867,443.23/3,891.44
  6. Step 6: Final answer
    x = 3,306.60

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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.