Home / 3,936.44-5,434.62-3,499.04

Finding the Fourth Proportional to 3,936.44, 5,434.62 and 3,499.04

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Solution

The fourth proportional to 3,936.44, 5,434.62 and 3,499.04 is: 4,830.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.44 : 5,434.62 = 3,499.04 : x
  2. Step 2: Convert to fraction form
    3,936.44/5,434.62 = 3,499.04/x
  3. Step 3: Cross multiply
    3,936.44x = 5,434.62 × 3,499.04
  4. Step 4: Simplify right side
    3,936.44x = 19,015,952.76
  5. Step 5: Solve for x
    x = 19,015,952.76/3,936.44
  6. Step 6: Final answer
    x = 4,830.75

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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.