Home / 3,198.70-4,795.20-1,250.45

Finding the Fourth Proportional to 3,198.70, 4,795.20 and 1,250.45

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Solution

The fourth proportional to 3,198.70, 4,795.20 and 1,250.45 is: 1,874.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.70 : 4,795.20 = 1,250.45 : x
  2. Step 2: Convert to fraction form
    3,198.70/4,795.20 = 1,250.45/x
  3. Step 3: Cross multiply
    3,198.70x = 4,795.20 × 1,250.45
  4. Step 4: Simplify right side
    3,198.70x = 5,996,157.84
  5. Step 5: Solve for x
    x = 5,996,157.84/3,198.70
  6. Step 6: Final answer
    x = 1,874.56

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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.