Home / 3,857.42-5,786.01-1,084.11

Finding the Fourth Proportional to 3,857.42, 5,786.01 and 1,084.11

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Solution

The fourth proportional to 3,857.42, 5,786.01 and 1,084.11 is: 1,626.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.42 : 5,786.01 = 1,084.11 : x
  2. Step 2: Convert to fraction form
    3,857.42/5,786.01 = 1,084.11/x
  3. Step 3: Cross multiply
    3,857.42x = 5,786.01 × 1,084.11
  4. Step 4: Simplify right side
    3,857.42x = 6,272,671.30
  5. Step 5: Solve for x
    x = 6,272,671.30/3,857.42
  6. Step 6: Final answer
    x = 1,626.13

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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.