Home / 3,383.60-5,068.04-2,147.92

Finding the Fourth Proportional to 3,383.60, 5,068.04 and 2,147.92

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Solution

The fourth proportional to 3,383.60, 5,068.04 and 2,147.92 is: 3,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.60 : 5,068.04 = 2,147.92 : x
  2. Step 2: Convert to fraction form
    3,383.60/5,068.04 = 2,147.92/x
  3. Step 3: Cross multiply
    3,383.60x = 5,068.04 × 2,147.92
  4. Step 4: Simplify right side
    3,383.60x = 10,885,744.48
  5. Step 5: Solve for x
    x = 10,885,744.48/3,383.60
  6. Step 6: Final answer
    x = 3,217.21

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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.