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Finding the Fourth Proportional to 3,674.67, 5,499.21 and 3,008.85

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Solution

The fourth proportional to 3,674.67, 5,499.21 and 3,008.85 is: 4,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.67 : 5,499.21 = 3,008.85 : x
  2. Step 2: Convert to fraction form
    3,674.67/5,499.21 = 3,008.85/x
  3. Step 3: Cross multiply
    3,674.67x = 5,499.21 × 3,008.85
  4. Step 4: Simplify right side
    3,674.67x = 16,546,298.01
  5. Step 5: Solve for x
    x = 16,546,298.01/3,674.67
  6. Step 6: Final answer
    x = 4,502.80

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1.5x scale

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.