Home / 3,844.60-5,767.08-1,872.04

Finding the Fourth Proportional to 3,844.60, 5,767.08 and 1,872.04

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Solution

The fourth proportional to 3,844.60, 5,767.08 and 1,872.04 is: 2,808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,844.60 : 5,767.08 = 1,872.04 : x
  2. Step 2: Convert to fraction form
    3,844.60/5,767.08 = 1,872.04/x
  3. Step 3: Cross multiply
    3,844.60x = 5,767.08 × 1,872.04
  4. Step 4: Simplify right side
    3,844.60x = 10,796,204.44
  5. Step 5: Solve for x
    x = 10,796,204.44/3,844.60
  6. Step 6: Final answer
    x = 2,808.15

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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.