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Finding the Fourth Proportional to 3,580.72, 4,941.26 and 2,008.90

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Solution

The fourth proportional to 3,580.72, 4,941.26 and 2,008.90 is: 2,772.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.72 : 4,941.26 = 2,008.90 : x
  2. Step 2: Convert to fraction form
    3,580.72/4,941.26 = 2,008.90/x
  3. Step 3: Cross multiply
    3,580.72x = 4,941.26 × 2,008.90
  4. Step 4: Simplify right side
    3,580.72x = 9,926,497.21
  5. Step 5: Solve for x
    x = 9,926,497.21/3,580.72
  6. Step 6: Final answer
    x = 2,772.21

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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.