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Finding the Fourth Proportional to 2,489.02, 3,730.03 and 1,101.99

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Solution

The fourth proportional to 2,489.02, 3,730.03 and 1,101.99 is: 1,651.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.02 : 3,730.03 = 1,101.99 : x
  2. Step 2: Convert to fraction form
    2,489.02/3,730.03 = 1,101.99/x
  3. Step 3: Cross multiply
    2,489.02x = 3,730.03 × 1,101.99
  4. Step 4: Simplify right side
    2,489.02x = 4,110,442.02
  5. Step 5: Solve for x
    x = 4,110,442.02/2,489.02
  6. Step 6: Final answer
    x = 1,651.43

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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.