Home / 3,222.78-4,447.62-2,435.46

Finding the Fourth Proportional to 3,222.78, 4,447.62 and 2,435.46

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Solution

The fourth proportional to 3,222.78, 4,447.62 and 2,435.46 is: 3,361.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.78 : 4,447.62 = 2,435.46 : x
  2. Step 2: Convert to fraction form
    3,222.78/4,447.62 = 2,435.46/x
  3. Step 3: Cross multiply
    3,222.78x = 4,447.62 × 2,435.46
  4. Step 4: Simplify right side
    3,222.78x = 10,832,000.61
  5. Step 5: Solve for x
    x = 10,832,000.61/3,222.78
  6. Step 6: Final answer
    x = 3,361.07

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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.