Home / 3,393.48-5,091.75-2,160.57

Finding the Fourth Proportional to 3,393.48, 5,091.75 and 2,160.57

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Solution

The fourth proportional to 3,393.48, 5,091.75 and 2,160.57 is: 3,241.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.48 : 5,091.75 = 2,160.57 : x
  2. Step 2: Convert to fraction form
    3,393.48/5,091.75 = 2,160.57/x
  3. Step 3: Cross multiply
    3,393.48x = 5,091.75 × 2,160.57
  4. Step 4: Simplify right side
    3,393.48x = 11,001,082.30
  5. Step 5: Solve for x
    x = 11,001,082.30/3,393.48
  6. Step 6: Final answer
    x = 3,241.83

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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.