Home / 3,522.80-5,273.69-2,131.93

Finding the Fourth Proportional to 3,522.80, 5,273.69 and 2,131.93

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Solution

The fourth proportional to 3,522.80, 5,273.69 and 2,131.93 is: 3,191.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.80 : 5,273.69 = 2,131.93 : x
  2. Step 2: Convert to fraction form
    3,522.80/5,273.69 = 2,131.93/x
  3. Step 3: Cross multiply
    3,522.80x = 5,273.69 × 2,131.93
  4. Step 4: Simplify right side
    3,522.80x = 11,243,137.92
  5. Step 5: Solve for x
    x = 11,243,137.92/3,522.80
  6. Step 6: Final answer
    x = 3,191.53

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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.