Home / 3,229.48-4,451.46-2,181.16

Finding the Fourth Proportional to 3,229.48, 4,451.46 and 2,181.16

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Solution

The fourth proportional to 3,229.48, 4,451.46 and 2,181.16 is: 3,006.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.48 : 4,451.46 = 2,181.16 : x
  2. Step 2: Convert to fraction form
    3,229.48/4,451.46 = 2,181.16/x
  3. Step 3: Cross multiply
    3,229.48x = 4,451.46 × 2,181.16
  4. Step 4: Simplify right side
    3,229.48x = 9,709,346.49
  5. Step 5: Solve for x
    x = 9,709,346.49/3,229.48
  6. Step 6: Final answer
    x = 3,006.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.