Home / 3,761.20-5,190.36-2,059.70

Finding the Fourth Proportional to 3,761.20, 5,190.36 and 2,059.70

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Solution

The fourth proportional to 3,761.20, 5,190.36 and 2,059.70 is: 2,842.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.20 : 5,190.36 = 2,059.70 : x
  2. Step 2: Convert to fraction form
    3,761.20/5,190.36 = 2,059.70/x
  3. Step 3: Cross multiply
    3,761.20x = 5,190.36 × 2,059.70
  4. Step 4: Simplify right side
    3,761.20x = 10,690,584.49
  5. Step 5: Solve for x
    x = 10,690,584.49/3,761.20
  6. Step 6: Final answer
    x = 2,842.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.