Home / 3,809.55-5,711.22-2,420.04

Finding the Fourth Proportional to 3,809.55, 5,711.22 and 2,420.04

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Solution

The fourth proportional to 3,809.55, 5,711.22 and 2,420.04 is: 3,628.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.55 : 5,711.22 = 2,420.04 : x
  2. Step 2: Convert to fraction form
    3,809.55/5,711.22 = 2,420.04/x
  3. Step 3: Cross multiply
    3,809.55x = 5,711.22 × 2,420.04
  4. Step 4: Simplify right side
    3,809.55x = 13,821,380.85
  5. Step 5: Solve for x
    x = 13,821,380.85/3,809.55
  6. Step 6: Final answer
    x = 3,628.09

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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.