Home / 3,236.80-4,467-1,839.64

Finding the Fourth Proportional to 3,236.80, 4,467 and 1,839.64

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Solution

The fourth proportional to 3,236.80, 4,467 and 1,839.64 is: 2,538.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.80 : 4,467 = 1,839.64 : x
  2. Step 2: Convert to fraction form
    3,236.80/4,467 = 1,839.64/x
  3. Step 3: Cross multiply
    3,236.80x = 4,467 × 1,839.64
  4. Step 4: Simplify right side
    3,236.80x = 8,217,671.88
  5. Step 5: Solve for x
    x = 8,217,671.88/3,236.80
  6. Step 6: Final answer
    x = 2,538.83

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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.