Home / 3,982.68-5,974.98-2,814.93

Finding the Fourth Proportional to 3,982.68, 5,974.98 and 2,814.93

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Solution

The fourth proportional to 3,982.68, 5,974.98 and 2,814.93 is: 4,223.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.68 : 5,974.98 = 2,814.93 : x
  2. Step 2: Convert to fraction form
    3,982.68/5,974.98 = 2,814.93/x
  3. Step 3: Cross multiply
    3,982.68x = 5,974.98 × 2,814.93
  4. Step 4: Simplify right side
    3,982.68x = 16,819,150.45
  5. Step 5: Solve for x
    x = 16,819,150.45/3,982.68
  6. Step 6: Final answer
    x = 4,223.07

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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.