Home / 3,664.28-5,499.12-2,205.74

Finding the Fourth Proportional to 3,664.28, 5,499.12 and 2,205.74

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Solution

The fourth proportional to 3,664.28, 5,499.12 and 2,205.74 is: 3,310.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.28 : 5,499.12 = 2,205.74 : x
  2. Step 2: Convert to fraction form
    3,664.28/5,499.12 = 2,205.74/x
  3. Step 3: Cross multiply
    3,664.28x = 5,499.12 × 2,205.74
  4. Step 4: Simplify right side
    3,664.28x = 12,129,628.95
  5. Step 5: Solve for x
    x = 12,129,628.95/3,664.28
  6. Step 6: Final answer
    x = 3,310.24

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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.