Home / 3,198.80-4,798.52-1,146.32

Finding the Fourth Proportional to 3,198.80, 4,798.52 and 1,146.32

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Solution

The fourth proportional to 3,198.80, 4,798.52 and 1,146.32 is: 1,719.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.80 : 4,798.52 = 1,146.32 : x
  2. Step 2: Convert to fraction form
    3,198.80/4,798.52 = 1,146.32/x
  3. Step 3: Cross multiply
    3,198.80x = 4,798.52 × 1,146.32
  4. Step 4: Simplify right side
    3,198.80x = 5,500,639.45
  5. Step 5: Solve for x
    x = 5,500,639.45/3,198.80
  6. Step 6: Final answer
    x = 1,719.59

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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.