Home / 3,771.53-5,205.69-2,199.86

Finding the Fourth Proportional to 3,771.53, 5,205.69 and 2,199.86

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Solution

The fourth proportional to 3,771.53, 5,205.69 and 2,199.86 is: 3,036.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.53 : 5,205.69 = 2,199.86 : x
  2. Step 2: Convert to fraction form
    3,771.53/5,205.69 = 2,199.86/x
  3. Step 3: Cross multiply
    3,771.53x = 5,205.69 × 2,199.86
  4. Step 4: Simplify right side
    3,771.53x = 11,451,763.17
  5. Step 5: Solve for x
    x = 11,451,763.17/3,771.53
  6. Step 6: Final answer
    x = 3,036.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.