Home / 3,479.26-5,211.93-2,091.85

Finding the Fourth Proportional to 3,479.26, 5,211.93 and 2,091.85

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Solution

The fourth proportional to 3,479.26, 5,211.93 and 2,091.85 is: 3,133.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.26 : 5,211.93 = 2,091.85 : x
  2. Step 2: Convert to fraction form
    3,479.26/5,211.93 = 2,091.85/x
  3. Step 3: Cross multiply
    3,479.26x = 5,211.93 × 2,091.85
  4. Step 4: Simplify right side
    3,479.26x = 10,902,549.71
  5. Step 5: Solve for x
    x = 10,902,549.71/3,479.26
  6. Step 6: Final answer
    x = 3,133.58

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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.