Home / 3,821.25-5,728.94-1,845.87

Finding the Fourth Proportional to 3,821.25, 5,728.94 and 1,845.87

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Solution

The fourth proportional to 3,821.25, 5,728.94 and 1,845.87 is: 2,767.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.25 : 5,728.94 = 1,845.87 : x
  2. Step 2: Convert to fraction form
    3,821.25/5,728.94 = 1,845.87/x
  3. Step 3: Cross multiply
    3,821.25x = 5,728.94 × 1,845.87
  4. Step 4: Simplify right side
    3,821.25x = 10,574,878.48
  5. Step 5: Solve for x
    x = 10,574,878.48/3,821.25
  6. Step 6: Final answer
    x = 2,767.39

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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.