Home / 3,226.50-4,836.14-1,664.32

Finding the Fourth Proportional to 3,226.50, 4,836.14 and 1,664.32

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Solution

The fourth proportional to 3,226.50, 4,836.14 and 1,664.32 is: 2,494.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.50 : 4,836.14 = 1,664.32 : x
  2. Step 2: Convert to fraction form
    3,226.50/4,836.14 = 1,664.32/x
  3. Step 3: Cross multiply
    3,226.50x = 4,836.14 × 1,664.32
  4. Step 4: Simplify right side
    3,226.50x = 8,048,884.52
  5. Step 5: Solve for x
    x = 8,048,884.52/3,226.50
  6. Step 6: Final answer
    x = 2,494.62

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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.