Home / 3,889.22-5,833.13-1,424.07

Finding the Fourth Proportional to 3,889.22, 5,833.13 and 1,424.07

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Solution

The fourth proportional to 3,889.22, 5,833.13 and 1,424.07 is: 2,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.22 : 5,833.13 = 1,424.07 : x
  2. Step 2: Convert to fraction form
    3,889.22/5,833.13 = 1,424.07/x
  3. Step 3: Cross multiply
    3,889.22x = 5,833.13 × 1,424.07
  4. Step 4: Simplify right side
    3,889.22x = 8,306,778.32
  5. Step 5: Solve for x
    x = 8,306,778.32/3,889.22
  6. Step 6: Final answer
    x = 2,135.85

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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.