Home / 3,850.68-5,309.46-2,697.96

Finding the Fourth Proportional to 3,850.68, 5,309.46 and 2,697.96

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Solution

The fourth proportional to 3,850.68, 5,309.46 and 2,697.96 is: 3,720.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.68 : 5,309.46 = 2,697.96 : x
  2. Step 2: Convert to fraction form
    3,850.68/5,309.46 = 2,697.96/x
  3. Step 3: Cross multiply
    3,850.68x = 5,309.46 × 2,697.96
  4. Step 4: Simplify right side
    3,850.68x = 14,324,710.70
  5. Step 5: Solve for x
    x = 14,324,710.70/3,850.68
  6. Step 6: Final answer
    x = 3,720.05

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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.