Home / 3,668.21-5,499.57-2,207.03

Finding the Fourth Proportional to 3,668.21, 5,499.57 and 2,207.03

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Solution

The fourth proportional to 3,668.21, 5,499.57 and 2,207.03 is: 3,308.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.21 : 5,499.57 = 2,207.03 : x
  2. Step 2: Convert to fraction form
    3,668.21/5,499.57 = 2,207.03/x
  3. Step 3: Cross multiply
    3,668.21x = 5,499.57 × 2,207.03
  4. Step 4: Simplify right side
    3,668.21x = 12,137,696.76
  5. Step 5: Solve for x
    x = 12,137,696.76/3,668.21
  6. Step 6: Final answer
    x = 3,308.89

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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.