Home / 3,948.81-5,924.13-1,351.75

Finding the Fourth Proportional to 3,948.81, 5,924.13 and 1,351.75

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Solution

The fourth proportional to 3,948.81, 5,924.13 and 1,351.75 is: 2,027.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.81 : 5,924.13 = 1,351.75 : x
  2. Step 2: Convert to fraction form
    3,948.81/5,924.13 = 1,351.75/x
  3. Step 3: Cross multiply
    3,948.81x = 5,924.13 × 1,351.75
  4. Step 4: Simplify right side
    3,948.81x = 8,007,942.73
  5. Step 5: Solve for x
    x = 8,007,942.73/3,948.81
  6. Step 6: Final answer
    x = 2,027.94

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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.