Home / 2,786.22-4,175.87-2,438.73

Finding the Fourth Proportional to 2,786.22, 4,175.87 and 2,438.73

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Solution

The fourth proportional to 2,786.22, 4,175.87 and 2,438.73 is: 3,655.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.22 : 4,175.87 = 2,438.73 : x
  2. Step 2: Convert to fraction form
    2,786.22/4,175.87 = 2,438.73/x
  3. Step 3: Cross multiply
    2,786.22x = 4,175.87 × 2,438.73
  4. Step 4: Simplify right side
    2,786.22x = 10,183,807.25
  5. Step 5: Solve for x
    x = 10,183,807.25/2,786.22
  6. Step 6: Final answer
    x = 3,655.06

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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.