Home / 3,190.35-4,402.21-1,792.83

Finding the Fourth Proportional to 3,190.35, 4,402.21 and 1,792.83

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Solution

The fourth proportional to 3,190.35, 4,402.21 and 1,792.83 is: 2,473.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.35 : 4,402.21 = 1,792.83 : x
  2. Step 2: Convert to fraction form
    3,190.35/4,402.21 = 1,792.83/x
  3. Step 3: Cross multiply
    3,190.35x = 4,402.21 × 1,792.83
  4. Step 4: Simplify right side
    3,190.35x = 7,892,414.15
  5. Step 5: Solve for x
    x = 7,892,414.15/3,190.35
  6. Step 6: Final answer
    x = 2,473.84

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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.