Home / 3,769.76-5,198.87-2,353.58

Finding the Fourth Proportional to 3,769.76, 5,198.87 and 2,353.58

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Solution

The fourth proportional to 3,769.76, 5,198.87 and 2,353.58 is: 3,245.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.76 : 5,198.87 = 2,353.58 : x
  2. Step 2: Convert to fraction form
    3,769.76/5,198.87 = 2,353.58/x
  3. Step 3: Cross multiply
    3,769.76x = 5,198.87 × 2,353.58
  4. Step 4: Simplify right side
    3,769.76x = 12,235,952.35
  5. Step 5: Solve for x
    x = 12,235,952.35/3,769.76
  6. Step 6: Final answer
    x = 3,245.81

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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.