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Finding the Fourth Proportional to 3,668.77, 5,500.42 and 2,207.58

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Solution

The fourth proportional to 3,668.77, 5,500.42 and 2,207.58 is: 3,309.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.77 : 5,500.42 = 2,207.58 : x
  2. Step 2: Convert to fraction form
    3,668.77/5,500.42 = 2,207.58/x
  3. Step 3: Cross multiply
    3,668.77x = 5,500.42 × 2,207.58
  4. Step 4: Simplify right side
    3,668.77x = 12,142,617.18
  5. Step 5: Solve for x
    x = 12,142,617.18/3,668.77
  6. Step 6: Final answer
    x = 3,309.72

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1.5x scale

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.