Home / 3,760.82-5,189.86-2,343.80

Finding the Fourth Proportional to 3,760.82, 5,189.86 and 2,343.80

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Solution

The fourth proportional to 3,760.82, 5,189.86 and 2,343.80 is: 3,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.82 : 5,189.86 = 2,343.80 : x
  2. Step 2: Convert to fraction form
    3,760.82/5,189.86 = 2,343.80/x
  3. Step 3: Cross multiply
    3,760.82x = 5,189.86 × 2,343.80
  4. Step 4: Simplify right side
    3,760.82x = 12,163,993.87
  5. Step 5: Solve for x
    x = 12,163,993.87/3,760.82
  6. Step 6: Final answer
    x = 3,234.40

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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.