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Finding the Fourth Proportional to 3,652.02, 5,480.46 and 2,650.86

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Solution

The fourth proportional to 3,652.02, 5,480.46 and 2,650.86 is: 3,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.02 : 5,480.46 = 2,650.86 : x
  2. Step 2: Convert to fraction form
    3,652.02/5,480.46 = 2,650.86/x
  3. Step 3: Cross multiply
    3,652.02x = 5,480.46 × 2,650.86
  4. Step 4: Simplify right side
    3,652.02x = 14,527,932.20
  5. Step 5: Solve for x
    x = 14,527,932.20/3,652.02
  6. Step 6: Final answer
    x = 3,978.05

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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.