Home / 3,003.25-4,504.88-811.97

Finding the Fourth Proportional to 3,003.25, 4,504.88 and 811.97

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Solution

The fourth proportional to 3,003.25, 4,504.88 and 811.97 is: 1,217.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.25 : 4,504.88 = 811.97 : x
  2. Step 2: Convert to fraction form
    3,003.25/4,504.88 = 811.97/x
  3. Step 3: Cross multiply
    3,003.25x = 4,504.88 × 811.97
  4. Step 4: Simplify right side
    3,003.25x = 3,657,827.41
  5. Step 5: Solve for x
    x = 3,657,827.41/3,003.25
  6. Step 6: Final answer
    x = 1,217.96

Related Problems

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.