Home / 3,188.92-4,402.20-1,862.44

Finding the Fourth Proportional to 3,188.92, 4,402.20 and 1,862.44

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Solution

The fourth proportional to 3,188.92, 4,402.20 and 1,862.44 is: 2,571.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.92 : 4,402.20 = 1,862.44 : x
  2. Step 2: Convert to fraction form
    3,188.92/4,402.20 = 1,862.44/x
  3. Step 3: Cross multiply
    3,188.92x = 4,402.20 × 1,862.44
  4. Step 4: Simplify right side
    3,188.92x = 8,198,833.37
  5. Step 5: Solve for x
    x = 8,198,833.37/3,188.92
  6. Step 6: Final answer
    x = 2,571.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.