Home / 3,222.78-4,838.25-2,681.58

Finding the Fourth Proportional to 3,222.78, 4,838.25 and 2,681.58

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Solution

The fourth proportional to 3,222.78, 4,838.25 and 2,681.58 is: 4,025.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.78 : 4,838.25 = 2,681.58 : x
  2. Step 2: Convert to fraction form
    3,222.78/4,838.25 = 2,681.58/x
  3. Step 3: Cross multiply
    3,222.78x = 4,838.25 × 2,681.58
  4. Step 4: Simplify right side
    3,222.78x = 12,974,154.44
  5. Step 5: Solve for x
    x = 12,974,154.44/3,222.78
  6. Step 6: Final answer
    x = 4,025.76

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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.