Home / 3,227.21-4,455.02-2,480.90

Finding the Fourth Proportional to 3,227.21, 4,455.02 and 2,480.90

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Solution

The fourth proportional to 3,227.21, 4,455.02 and 2,480.90 is: 3,424.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.21 : 4,455.02 = 2,480.90 : x
  2. Step 2: Convert to fraction form
    3,227.21/4,455.02 = 2,480.90/x
  3. Step 3: Cross multiply
    3,227.21x = 4,455.02 × 2,480.90
  4. Step 4: Simplify right side
    3,227.21x = 11,052,446.71
  5. Step 5: Solve for x
    x = 11,052,446.71/3,227.21
  6. Step 6: Final answer
    x = 3,424.77

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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.