Home / 3,862.80-5,796.64-2,222.56

Finding the Fourth Proportional to 3,862.80, 5,796.64 and 2,222.56

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Solution

The fourth proportional to 3,862.80, 5,796.64 and 2,222.56 is: 3,335.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.80 : 5,796.64 = 2,222.56 : x
  2. Step 2: Convert to fraction form
    3,862.80/5,796.64 = 2,222.56/x
  3. Step 3: Cross multiply
    3,862.80x = 5,796.64 × 2,222.56
  4. Step 4: Simplify right side
    3,862.80x = 12,883,380.20
  5. Step 5: Solve for x
    x = 12,883,380.20/3,862.80
  6. Step 6: Final answer
    x = 3,335.24

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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.