Home / 3,331.29-4,996.06-990.66

Finding the Fourth Proportional to 3,331.29, 4,996.06 and 990.66

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Solution

The fourth proportional to 3,331.29, 4,996.06 and 990.66 is: 1,485.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.29 : 4,996.06 = 990.66 : x
  2. Step 2: Convert to fraction form
    3,331.29/4,996.06 = 990.66/x
  3. Step 3: Cross multiply
    3,331.29x = 4,996.06 × 990.66
  4. Step 4: Simplify right side
    3,331.29x = 4,949,419.25
  5. Step 5: Solve for x
    x = 4,949,419.25/3,331.29
  6. Step 6: Final answer
    x = 1,485.74

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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.