Home / 3,968.88-5,477.16-2,396.07

Finding the Fourth Proportional to 3,968.88, 5,477.16 and 2,396.07

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Solution

The fourth proportional to 3,968.88, 5,477.16 and 2,396.07 is: 3,306.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.88 : 5,477.16 = 2,396.07 : x
  2. Step 2: Convert to fraction form
    3,968.88/5,477.16 = 2,396.07/x
  3. Step 3: Cross multiply
    3,968.88x = 5,477.16 × 2,396.07
  4. Step 4: Simplify right side
    3,968.88x = 13,123,658.76
  5. Step 5: Solve for x
    x = 13,123,658.76/3,968.88
  6. Step 6: Final answer
    x = 3,306.64

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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.