Home / 3,393.36-5,090.38-1,171.89

Finding the Fourth Proportional to 3,393.36, 5,090.38 and 1,171.89

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Solution

The fourth proportional to 3,393.36, 5,090.38 and 1,171.89 is: 1,757.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.36 : 5,090.38 = 1,171.89 : x
  2. Step 2: Convert to fraction form
    3,393.36/5,090.38 = 1,171.89/x
  3. Step 3: Cross multiply
    3,393.36x = 5,090.38 × 1,171.89
  4. Step 4: Simplify right side
    3,393.36x = 5,965,362.49
  5. Step 5: Solve for x
    x = 5,965,362.49/3,393.36
  6. Step 6: Final answer
    x = 1,757.95

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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.