Home / 3,206.76-4,425.54-2,027.40

Finding the Fourth Proportional to 3,206.76, 4,425.54 and 2,027.40

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Solution

The fourth proportional to 3,206.76, 4,425.54 and 2,027.40 is: 2,797.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.76 : 4,425.54 = 2,027.40 : x
  2. Step 2: Convert to fraction form
    3,206.76/4,425.54 = 2,027.40/x
  3. Step 3: Cross multiply
    3,206.76x = 4,425.54 × 2,027.40
  4. Step 4: Simplify right side
    3,206.76x = 8,972,339.80
  5. Step 5: Solve for x
    x = 8,972,339.80/3,206.76
  6. Step 6: Final answer
    x = 2,797.95

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Half scale
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Double scale
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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.