Home / 3,394.46-5,091.51-1,085.96

Finding the Fourth Proportional to 3,394.46, 5,091.51 and 1,085.96

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Solution

The fourth proportional to 3,394.46, 5,091.51 and 1,085.96 is: 1,628.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.46 : 5,091.51 = 1,085.96 : x
  2. Step 2: Convert to fraction form
    3,394.46/5,091.51 = 1,085.96/x
  3. Step 3: Cross multiply
    3,394.46x = 5,091.51 × 1,085.96
  4. Step 4: Simplify right side
    3,394.46x = 5,529,176.20
  5. Step 5: Solve for x
    x = 5,529,176.20/3,394.46
  6. Step 6: Final answer
    x = 1,628.88

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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.