Home / 3,817.14-5,725.77-1,221.90

Finding the Fourth Proportional to 3,817.14, 5,725.77 and 1,221.90

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Solution

The fourth proportional to 3,817.14, 5,725.77 and 1,221.90 is: 1,832.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.14 : 5,725.77 = 1,221.90 : x
  2. Step 2: Convert to fraction form
    3,817.14/5,725.77 = 1,221.90/x
  3. Step 3: Cross multiply
    3,817.14x = 5,725.77 × 1,221.90
  4. Step 4: Simplify right side
    3,817.14x = 6,996,318.36
  5. Step 5: Solve for x
    x = 6,996,318.36/3,817.14
  6. Step 6: Final answer
    x = 1,832.87

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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.