Home / 3,936.40-5,898.66-2,635.54

Finding the Fourth Proportional to 3,936.40, 5,898.66 and 2,635.54

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Solution

The fourth proportional to 3,936.40, 5,898.66 and 2,635.54 is: 3,949.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.40 : 5,898.66 = 2,635.54 : x
  2. Step 2: Convert to fraction form
    3,936.40/5,898.66 = 2,635.54/x
  3. Step 3: Cross multiply
    3,936.40x = 5,898.66 × 2,635.54
  4. Step 4: Simplify right side
    3,936.40x = 15,546,154.38
  5. Step 5: Solve for x
    x = 15,546,154.38/3,936.40
  6. Step 6: Final answer
    x = 3,949.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.