Home / 3,383.12-5,072.16-2,284.40

Finding the Fourth Proportional to 3,383.12, 5,072.16 and 2,284.40

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Solution

The fourth proportional to 3,383.12, 5,072.16 and 2,284.40 is: 3,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.12 : 5,072.16 = 2,284.40 : x
  2. Step 2: Convert to fraction form
    3,383.12/5,072.16 = 2,284.40/x
  3. Step 3: Cross multiply
    3,383.12x = 5,072.16 × 2,284.40
  4. Step 4: Simplify right side
    3,383.12x = 11,586,842.30
  5. Step 5: Solve for x
    x = 11,586,842.30/3,383.12
  6. Step 6: Final answer
    x = 3,424.90

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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.