Home / 3,862.86-5,794.05-2,689.44

Finding the Fourth Proportional to 3,862.86, 5,794.05 and 2,689.44

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Solution

The fourth proportional to 3,862.86, 5,794.05 and 2,689.44 is: 4,033.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.86 : 5,794.05 = 2,689.44 : x
  2. Step 2: Convert to fraction form
    3,862.86/5,794.05 = 2,689.44/x
  3. Step 3: Cross multiply
    3,862.86x = 5,794.05 × 2,689.44
  4. Step 4: Simplify right side
    3,862.86x = 15,582,749.83
  5. Step 5: Solve for x
    x = 15,582,749.83/3,862.86
  6. Step 6: Final answer
    x = 4,033.99

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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.