Home / 3,393.33-5,090.09-1,284.49

Finding the Fourth Proportional to 3,393.33, 5,090.09 and 1,284.49

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Solution

The fourth proportional to 3,393.33, 5,090.09 and 1,284.49 is: 1,926.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.33 : 5,090.09 = 1,284.49 : x
  2. Step 2: Convert to fraction form
    3,393.33/5,090.09 = 1,284.49/x
  3. Step 3: Cross multiply
    3,393.33x = 5,090.09 × 1,284.49
  4. Step 4: Simplify right side
    3,393.33x = 6,538,176.87
  5. Step 5: Solve for x
    x = 6,538,176.87/3,393.33
  6. Step 6: Final answer
    x = 1,926.78

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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.