Home / 3,857.10-5,784.94-1,083.08

Finding the Fourth Proportional to 3,857.10, 5,784.94 and 1,083.08

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Solution

The fourth proportional to 3,857.10, 5,784.94 and 1,083.08 is: 1,624.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.10 : 5,784.94 = 1,083.08 : x
  2. Step 2: Convert to fraction form
    3,857.10/5,784.94 = 1,083.08/x
  3. Step 3: Cross multiply
    3,857.10x = 5,784.94 × 1,083.08
  4. Step 4: Simplify right side
    3,857.10x = 6,265,552.82
  5. Step 5: Solve for x
    x = 6,265,552.82/3,857.10
  6. Step 6: Final answer
    x = 1,624.42

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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.