Home / 3,211.42-4,817.93-1,896.25

Finding the Fourth Proportional to 3,211.42, 4,817.93 and 1,896.25

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Solution

The fourth proportional to 3,211.42, 4,817.93 and 1,896.25 is: 2,844.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.42 : 4,817.93 = 1,896.25 : x
  2. Step 2: Convert to fraction form
    3,211.42/4,817.93 = 1,896.25/x
  3. Step 3: Cross multiply
    3,211.42x = 4,817.93 × 1,896.25
  4. Step 4: Simplify right side
    3,211.42x = 9,135,999.76
  5. Step 5: Solve for x
    x = 9,135,999.76/3,211.42
  6. Step 6: Final answer
    x = 2,844.85

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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.