Home / 3,211.26-4,818.26-1,020.16

Finding the Fourth Proportional to 3,211.26, 4,818.26 and 1,020.16

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Solution

The fourth proportional to 3,211.26, 4,818.26 and 1,020.16 is: 1,530.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.26 : 4,818.26 = 1,020.16 : x
  2. Step 2: Convert to fraction form
    3,211.26/4,818.26 = 1,020.16/x
  3. Step 3: Cross multiply
    3,211.26x = 4,818.26 × 1,020.16
  4. Step 4: Simplify right side
    3,211.26x = 4,915,396.12
  5. Step 5: Solve for x
    x = 4,915,396.12/3,211.26
  6. Step 6: Final answer
    x = 1,530.68

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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.