Home / 3,950.46-5,921.40-2,002.80

Finding the Fourth Proportional to 3,950.46, 5,921.40 and 2,002.80

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Solution

The fourth proportional to 3,950.46, 5,921.40 and 2,002.80 is: 3,002.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.46 : 5,921.40 = 2,002.80 : x
  2. Step 2: Convert to fraction form
    3,950.46/5,921.40 = 2,002.80/x
  3. Step 3: Cross multiply
    3,950.46x = 5,921.40 × 2,002.80
  4. Step 4: Simplify right side
    3,950.46x = 11,859,379.92
  5. Step 5: Solve for x
    x = 11,859,379.92/3,950.46
  6. Step 6: Final answer
    x = 3,002.03

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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.