Home / 3,983.13-5,977.53-3,212.43

Finding the Fourth Proportional to 3,983.13, 5,977.53 and 3,212.43

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Solution

The fourth proportional to 3,983.13, 5,977.53 and 3,212.43 is: 4,820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.13 : 5,977.53 = 3,212.43 : x
  2. Step 2: Convert to fraction form
    3,983.13/5,977.53 = 3,212.43/x
  3. Step 3: Cross multiply
    3,983.13x = 5,977.53 × 3,212.43
  4. Step 4: Simplify right side
    3,983.13x = 19,202,396.70
  5. Step 5: Solve for x
    x = 19,202,396.70/3,983.13
  6. Step 6: Final answer
    x = 4,820.93

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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.