Home / 3,771.45-5,205.80-2,199.84

Finding the Fourth Proportional to 3,771.45, 5,205.80 and 2,199.84

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Solution

The fourth proportional to 3,771.45, 5,205.80 and 2,199.84 is: 3,036.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.45 : 5,205.80 = 2,199.84 : x
  2. Step 2: Convert to fraction form
    3,771.45/5,205.80 = 2,199.84/x
  3. Step 3: Cross multiply
    3,771.45x = 5,205.80 × 2,199.84
  4. Step 4: Simplify right side
    3,771.45x = 11,451,916.07
  5. Step 5: Solve for x
    x = 11,451,916.07/3,771.45
  6. Step 6: Final answer
    x = 3,036.48

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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.