Home / 3,843.18-5,765.94-1,210.56

Finding the Fourth Proportional to 3,843.18, 5,765.94 and 1,210.56

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Solution

The fourth proportional to 3,843.18, 5,765.94 and 1,210.56 is: 1,816.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.18 : 5,765.94 = 1,210.56 : x
  2. Step 2: Convert to fraction form
    3,843.18/5,765.94 = 1,210.56/x
  3. Step 3: Cross multiply
    3,843.18x = 5,765.94 × 1,210.56
  4. Step 4: Simplify right side
    3,843.18x = 6,980,016.33
  5. Step 5: Solve for x
    x = 6,980,016.33/3,843.18
  6. Step 6: Final answer
    x = 1,816.21

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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.