Home / 3,270.12-4,905.06-804.84

Finding the Fourth Proportional to 3,270.12, 4,905.06 and 804.84

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Solution

The fourth proportional to 3,270.12, 4,905.06 and 804.84 is: 1,207.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.12 : 4,905.06 = 804.84 : x
  2. Step 2: Convert to fraction form
    3,270.12/4,905.06 = 804.84/x
  3. Step 3: Cross multiply
    3,270.12x = 4,905.06 × 804.84
  4. Step 4: Simplify right side
    3,270.12x = 3,947,788.49
  5. Step 5: Solve for x
    x = 3,947,788.49/3,270.12
  6. Step 6: Final answer
    x = 1,207.23

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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.