Home / 3,771.70-5,206.14-2,200.09

Finding the Fourth Proportional to 3,771.70, 5,206.14 and 2,200.09

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Solution

The fourth proportional to 3,771.70, 5,206.14 and 2,200.09 is: 3,036.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.70 : 5,206.14 = 2,200.09 : x
  2. Step 2: Convert to fraction form
    3,771.70/5,206.14 = 2,200.09/x
  3. Step 3: Cross multiply
    3,771.70x = 5,206.14 × 2,200.09
  4. Step 4: Simplify right side
    3,771.70x = 11,453,976.55
  5. Step 5: Solve for x
    x = 11,453,976.55/3,771.70
  6. Step 6: Final answer
    x = 3,036.82

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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.