Home / 3,198.81-4,800.95-1,252.38

Finding the Fourth Proportional to 3,198.81, 4,800.95 and 1,252.38

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Solution

The fourth proportional to 3,198.81, 4,800.95 and 1,252.38 is: 1,879.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.81 : 4,800.95 = 1,252.38 : x
  2. Step 2: Convert to fraction form
    3,198.81/4,800.95 = 1,252.38/x
  3. Step 3: Cross multiply
    3,198.81x = 4,800.95 × 1,252.38
  4. Step 4: Simplify right side
    3,198.81x = 6,012,613.76
  5. Step 5: Solve for x
    x = 6,012,613.76/3,198.81
  6. Step 6: Final answer
    x = 1,879.64

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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.