Home / 3,389.50-5,076.92-2,797.86

Finding the Fourth Proportional to 3,389.50, 5,076.92 and 2,797.86

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Solution

The fourth proportional to 3,389.50, 5,076.92 and 2,797.86 is: 4,190.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.50 : 5,076.92 = 2,797.86 : x
  2. Step 2: Convert to fraction form
    3,389.50/5,076.92 = 2,797.86/x
  3. Step 3: Cross multiply
    3,389.50x = 5,076.92 × 2,797.86
  4. Step 4: Simplify right side
    3,389.50x = 14,204,518.39
  5. Step 5: Solve for x
    x = 14,204,518.39/3,389.50
  6. Step 6: Final answer
    x = 4,190.74

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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.