Home / 3,198.86-4,798.35-1,007.58

Finding the Fourth Proportional to 3,198.86, 4,798.35 and 1,007.58

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Solution

The fourth proportional to 3,198.86, 4,798.35 and 1,007.58 is: 1,511.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.86 : 4,798.35 = 1,007.58 : x
  2. Step 2: Convert to fraction form
    3,198.86/4,798.35 = 1,007.58/x
  3. Step 3: Cross multiply
    3,198.86x = 4,798.35 × 1,007.58
  4. Step 4: Simplify right side
    3,198.86x = 4,834,721.49
  5. Step 5: Solve for x
    x = 4,834,721.49/3,198.86
  6. Step 6: Final answer
    x = 1,511.39

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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.