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Finding the Fourth Proportional to 3,198.51, 4,797.72 and 1,007.25

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Solution

The fourth proportional to 3,198.51, 4,797.72 and 1,007.25 is: 1,510.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.51 : 4,797.72 = 1,007.25 : x
  2. Step 2: Convert to fraction form
    3,198.51/4,797.72 = 1,007.25/x
  3. Step 3: Cross multiply
    3,198.51x = 4,797.72 × 1,007.25
  4. Step 4: Simplify right side
    3,198.51x = 4,832,503.47
  5. Step 5: Solve for x
    x = 4,832,503.47/3,198.51
  6. Step 6: Final answer
    x = 1,510.86

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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.