Home / 3,238.56-4,469.54-1,979.55

Finding the Fourth Proportional to 3,238.56, 4,469.54 and 1,979.55

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Solution

The fourth proportional to 3,238.56, 4,469.54 and 1,979.55 is: 2,731.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.56 : 4,469.54 = 1,979.55 : x
  2. Step 2: Convert to fraction form
    3,238.56/4,469.54 = 1,979.55/x
  3. Step 3: Cross multiply
    3,238.56x = 4,469.54 × 1,979.55
  4. Step 4: Simplify right side
    3,238.56x = 8,847,668.01
  5. Step 5: Solve for x
    x = 8,847,668.01/3,238.56
  6. Step 6: Final answer
    x = 2,731.98

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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.