Home / 3,770.36-5,197.98-3,179.86

Finding the Fourth Proportional to 3,770.36, 5,197.98 and 3,179.86

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Solution

The fourth proportional to 3,770.36, 5,197.98 and 3,179.86 is: 4,383.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.36 : 5,197.98 = 3,179.86 : x
  2. Step 2: Convert to fraction form
    3,770.36/5,197.98 = 3,179.86/x
  3. Step 3: Cross multiply
    3,770.36x = 5,197.98 × 3,179.86
  4. Step 4: Simplify right side
    3,770.36x = 16,528,848.68
  5. Step 5: Solve for x
    x = 16,528,848.68/3,770.36
  6. Step 6: Final answer
    x = 4,383.89

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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.