Home / 3,197.52-4,789.92-2,926.80

Finding the Fourth Proportional to 3,197.52, 4,789.92 and 2,926.80

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Solution

The fourth proportional to 3,197.52, 4,789.92 and 2,926.80 is: 4,384.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.52 : 4,789.92 = 2,926.80 : x
  2. Step 2: Convert to fraction form
    3,197.52/4,789.92 = 2,926.80/x
  3. Step 3: Cross multiply
    3,197.52x = 4,789.92 × 2,926.80
  4. Step 4: Simplify right side
    3,197.52x = 14,019,137.86
  5. Step 5: Solve for x
    x = 14,019,137.86/3,197.52
  6. Step 6: Final answer
    x = 4,384.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.