Home / 3,489.08-5,226.42-2,796.92

Finding the Fourth Proportional to 3,489.08, 5,226.42 and 2,796.92

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Solution

The fourth proportional to 3,489.08, 5,226.42 and 2,796.92 is: 4,189.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.08 : 5,226.42 = 2,796.92 : x
  2. Step 2: Convert to fraction form
    3,489.08/5,226.42 = 2,796.92/x
  3. Step 3: Cross multiply
    3,489.08x = 5,226.42 × 2,796.92
  4. Step 4: Simplify right side
    3,489.08x = 14,617,878.63
  5. Step 5: Solve for x
    x = 14,617,878.63/3,489.08
  6. Step 6: Final answer
    x = 4,189.61

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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.