Home / 3,847.14-5,772.78-1,899.36

Finding the Fourth Proportional to 3,847.14, 5,772.78 and 1,899.36

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Solution

The fourth proportional to 3,847.14, 5,772.78 and 1,899.36 is: 2,850.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.14 : 5,772.78 = 1,899.36 : x
  2. Step 2: Convert to fraction form
    3,847.14/5,772.78 = 1,899.36/x
  3. Step 3: Cross multiply
    3,847.14x = 5,772.78 × 1,899.36
  4. Step 4: Simplify right side
    3,847.14x = 10,964,587.42
  5. Step 5: Solve for x
    x = 10,964,587.42/3,847.14
  6. Step 6: Final answer
    x = 2,850.06

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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.