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Finding the Fourth Proportional to 3,198.02, 4,797.72 and 1,006.92

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Solution

The fourth proportional to 3,198.02, 4,797.72 and 1,006.92 is: 1,510.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.02 : 4,797.72 = 1,006.92 : x
  2. Step 2: Convert to fraction form
    3,198.02/4,797.72 = 1,006.92/x
  3. Step 3: Cross multiply
    3,198.02x = 4,797.72 × 1,006.92
  4. Step 4: Simplify right side
    3,198.02x = 4,830,920.22
  5. Step 5: Solve for x
    x = 4,830,920.22/3,198.02
  6. Step 6: Final answer
    x = 1,510.60

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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.