Home / 3,821.04-5,716.44-2,728.08

Finding the Fourth Proportional to 3,821.04, 5,716.44 and 2,728.08

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Solution

The fourth proportional to 3,821.04, 5,716.44 and 2,728.08 is: 4,081.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.04 : 5,716.44 = 2,728.08 : x
  2. Step 2: Convert to fraction form
    3,821.04/5,716.44 = 2,728.08/x
  3. Step 3: Cross multiply
    3,821.04x = 5,716.44 × 2,728.08
  4. Step 4: Simplify right side
    3,821.04x = 15,594,905.64
  5. Step 5: Solve for x
    x = 15,594,905.64/3,821.04
  6. Step 6: Final answer
    x = 4,081.32

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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.