Home / 3,197.20-4,789.52-2,848.90

Finding the Fourth Proportional to 3,197.20, 4,789.52 and 2,848.90

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Solution

The fourth proportional to 3,197.20, 4,789.52 and 2,848.90 is: 4,267.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.20 : 4,789.52 = 2,848.90 : x
  2. Step 2: Convert to fraction form
    3,197.20/4,789.52 = 2,848.90/x
  3. Step 3: Cross multiply
    3,197.20x = 4,789.52 × 2,848.90
  4. Step 4: Simplify right side
    3,197.20x = 13,644,863.53
  5. Step 5: Solve for x
    x = 13,644,863.53/3,197.20
  6. Step 6: Final answer
    x = 4,267.75

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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.