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Finding the Fourth Proportional to 3,673.56, 5,503.16 and 2,934.68

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Solution

The fourth proportional to 3,673.56, 5,503.16 and 2,934.68 is: 4,396.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.56 : 5,503.16 = 2,934.68 : x
  2. Step 2: Convert to fraction form
    3,673.56/5,503.16 = 2,934.68/x
  3. Step 3: Cross multiply
    3,673.56x = 5,503.16 × 2,934.68
  4. Step 4: Simplify right side
    3,673.56x = 16,149,971.40
  5. Step 5: Solve for x
    x = 16,149,971.40/3,673.56
  6. Step 6: Final answer
    x = 4,396.27

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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.