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Finding the Fourth Proportional to 3,670.45, 5,499.60 and 3,050.80

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Solution

The fourth proportional to 3,670.45, 5,499.60 and 3,050.80 is: 4,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.45 : 5,499.60 = 3,050.80 : x
  2. Step 2: Convert to fraction form
    3,670.45/5,499.60 = 3,050.80/x
  3. Step 3: Cross multiply
    3,670.45x = 5,499.60 × 3,050.80
  4. Step 4: Simplify right side
    3,670.45x = 16,778,179.68
  5. Step 5: Solve for x
    x = 16,778,179.68/3,670.45
  6. Step 6: Final answer
    x = 4,571.15

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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.