Home / 3,198.95-4,775.58-2,706.74

Finding the Fourth Proportional to 3,198.95, 4,775.58 and 2,706.74

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Solution

The fourth proportional to 3,198.95, 4,775.58 and 2,706.74 is: 4,040.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.95 : 4,775.58 = 2,706.74 : x
  2. Step 2: Convert to fraction form
    3,198.95/4,775.58 = 2,706.74/x
  3. Step 3: Cross multiply
    3,198.95x = 4,775.58 × 2,706.74
  4. Step 4: Simplify right side
    3,198.95x = 12,926,253.41
  5. Step 5: Solve for x
    x = 12,926,253.41/3,198.95
  6. Step 6: Final answer
    x = 4,040.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.