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Finding the Fourth Proportional to 2,748.02, 4,118.11 and 2,004.30

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Solution

The fourth proportional to 2,748.02, 4,118.11 and 2,004.30 is: 3,003.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.02 : 4,118.11 = 2,004.30 : x
  2. Step 2: Convert to fraction form
    2,748.02/4,118.11 = 2,004.30/x
  3. Step 3: Cross multiply
    2,748.02x = 4,118.11 × 2,004.30
  4. Step 4: Simplify right side
    2,748.02x = 8,253,922.86
  5. Step 5: Solve for x
    x = 8,253,922.86/2,748.02
  6. Step 6: Final answer
    x = 3,003.59

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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.