Home / 3,330.97-4,999.28-2,236.66

Finding the Fourth Proportional to 3,330.97, 4,999.28 and 2,236.66

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Solution

The fourth proportional to 3,330.97, 4,999.28 and 2,236.66 is: 3,356.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.97 : 4,999.28 = 2,236.66 : x
  2. Step 2: Convert to fraction form
    3,330.97/4,999.28 = 2,236.66/x
  3. Step 3: Cross multiply
    3,330.97x = 4,999.28 × 2,236.66
  4. Step 4: Simplify right side
    3,330.97x = 11,181,689.60
  5. Step 5: Solve for x
    x = 11,181,689.60/3,330.97
  6. Step 6: Final answer
    x = 3,356.89

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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.