Home / 3,882.22-5,360.22-2,390.60

Finding the Fourth Proportional to 3,882.22, 5,360.22 and 2,390.60

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Solution

The fourth proportional to 3,882.22, 5,360.22 and 2,390.60 is: 3,300.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.22 : 5,360.22 = 2,390.60 : x
  2. Step 2: Convert to fraction form
    3,882.22/5,360.22 = 2,390.60/x
  3. Step 3: Cross multiply
    3,882.22x = 5,360.22 × 2,390.60
  4. Step 4: Simplify right side
    3,882.22x = 12,814,141.93
  5. Step 5: Solve for x
    x = 12,814,141.93/3,882.22
  6. Step 6: Final answer
    x = 3,300.73

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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.