Home / 3,881.25-5,820.17-1,107.29

Finding the Fourth Proportional to 3,881.25, 5,820.17 and 1,107.29

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Solution

The fourth proportional to 3,881.25, 5,820.17 and 1,107.29 is: 1,660.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.25 : 5,820.17 = 1,107.29 : x
  2. Step 2: Convert to fraction form
    3,881.25/5,820.17 = 1,107.29/x
  3. Step 3: Cross multiply
    3,881.25x = 5,820.17 × 1,107.29
  4. Step 4: Simplify right side
    3,881.25x = 6,444,610.50
  5. Step 5: Solve for x
    x = 6,444,610.50/3,881.25
  6. Step 6: Final answer
    x = 1,660.45

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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.