Home / 3,228.05-4,457.03-2,480.83

Finding the Fourth Proportional to 3,228.05, 4,457.03 and 2,480.83

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Solution

The fourth proportional to 3,228.05, 4,457.03 and 2,480.83 is: 3,425.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.05 : 4,457.03 = 2,480.83 : x
  2. Step 2: Convert to fraction form
    3,228.05/4,457.03 = 2,480.83/x
  3. Step 3: Cross multiply
    3,228.05x = 4,457.03 × 2,480.83
  4. Step 4: Simplify right side
    3,228.05x = 11,057,110.19
  5. Step 5: Solve for x
    x = 11,057,110.19/3,228.05
  6. Step 6: Final answer
    x = 3,425.32

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Half scale
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Double scale
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Similar ratio
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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.