Home / 3,968.38-5,475.36-2,396.17

Finding the Fourth Proportional to 3,968.38, 5,475.36 and 2,396.17

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Solution

The fourth proportional to 3,968.38, 5,475.36 and 2,396.17 is: 3,306.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.38 : 5,475.36 = 2,396.17 : x
  2. Step 2: Convert to fraction form
    3,968.38/5,475.36 = 2,396.17/x
  3. Step 3: Cross multiply
    3,968.38x = 5,475.36 × 2,396.17
  4. Step 4: Simplify right side
    3,968.38x = 13,119,893.37
  5. Step 5: Solve for x
    x = 13,119,893.37/3,968.38
  6. Step 6: Final answer
    x = 3,306.11

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1.5x scale

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.