Home / 3,849.21-5,772.45-1,383.37

Finding the Fourth Proportional to 3,849.21, 5,772.45 and 1,383.37

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Solution

The fourth proportional to 3,849.21, 5,772.45 and 1,383.37 is: 2,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.21 : 5,772.45 = 1,383.37 : x
  2. Step 2: Convert to fraction form
    3,849.21/5,772.45 = 1,383.37/x
  3. Step 3: Cross multiply
    3,849.21x = 5,772.45 × 1,383.37
  4. Step 4: Simplify right side
    3,849.21x = 7,985,434.16
  5. Step 5: Solve for x
    x = 7,985,434.16/3,849.21
  6. Step 6: Final answer
    x = 2,074.56

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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.