Home / 3,198.58-4,798.80-1,007.74

Finding the Fourth Proportional to 3,198.58, 4,798.80 and 1,007.74

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Solution

The fourth proportional to 3,198.58, 4,798.80 and 1,007.74 is: 1,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.58 : 4,798.80 = 1,007.74 : x
  2. Step 2: Convert to fraction form
    3,198.58/4,798.80 = 1,007.74/x
  3. Step 3: Cross multiply
    3,198.58x = 4,798.80 × 1,007.74
  4. Step 4: Simplify right side
    3,198.58x = 4,835,942.71
  5. Step 5: Solve for x
    x = 4,835,942.71/3,198.58
  6. Step 6: Final answer
    x = 1,511.90

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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.