Home / 3,198.15-4,798.22-1,006.90

Finding the Fourth Proportional to 3,198.15, 4,798.22 and 1,006.90

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Solution

The fourth proportional to 3,198.15, 4,798.22 and 1,006.90 is: 1,510.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.15 : 4,798.22 = 1,006.90 : x
  2. Step 2: Convert to fraction form
    3,198.15/4,798.22 = 1,006.90/x
  3. Step 3: Cross multiply
    3,198.15x = 4,798.22 × 1,006.90
  4. Step 4: Simplify right side
    3,198.15x = 4,831,310.69
  5. Step 5: Solve for x
    x = 4,831,310.69/3,198.15
  6. Step 6: Final answer
    x = 1,510.66

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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.