Home / 3,211.94-4,817.94-1,020.62

Finding the Fourth Proportional to 3,211.94, 4,817.94 and 1,020.62

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Solution

The fourth proportional to 3,211.94, 4,817.94 and 1,020.62 is: 1,530.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.94 : 4,817.94 = 1,020.62 : x
  2. Step 2: Convert to fraction form
    3,211.94/4,817.94 = 1,020.62/x
  3. Step 3: Cross multiply
    3,211.94x = 4,817.94 × 1,020.62
  4. Step 4: Simplify right side
    3,211.94x = 4,917,285.92
  5. Step 5: Solve for x
    x = 4,917,285.92/3,211.94
  6. Step 6: Final answer
    x = 1,530.94

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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.