Home / 3,968.18-5,475.30-2,396.36

Finding the Fourth Proportional to 3,968.18, 5,475.30 and 2,396.36

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Solution

The fourth proportional to 3,968.18, 5,475.30 and 2,396.36 is: 3,306.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.18 : 5,475.30 = 2,396.36 : x
  2. Step 2: Convert to fraction form
    3,968.18/5,475.30 = 2,396.36/x
  3. Step 3: Cross multiply
    3,968.18x = 5,475.30 × 2,396.36
  4. Step 4: Simplify right side
    3,968.18x = 13,120,789.91
  5. Step 5: Solve for x
    x = 13,120,789.91/3,968.18
  6. Step 6: Final answer
    x = 3,306.50

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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.