Home / 3,188.16-4,773.60-2,149.74

Finding the Fourth Proportional to 3,188.16, 4,773.60 and 2,149.74

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Solution

The fourth proportional to 3,188.16, 4,773.60 and 2,149.74 is: 3,218.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.16 : 4,773.60 = 2,149.74 : x
  2. Step 2: Convert to fraction form
    3,188.16/4,773.60 = 2,149.74/x
  3. Step 3: Cross multiply
    3,188.16x = 4,773.60 × 2,149.74
  4. Step 4: Simplify right side
    3,188.16x = 10,261,998.86
  5. Step 5: Solve for x
    x = 10,261,998.86/3,188.16
  6. Step 6: Final answer
    x = 3,218.78

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1.5x scale

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.