Home / 3,393.48-5,091.76-2,160.58

Finding the Fourth Proportional to 3,393.48, 5,091.76 and 2,160.58

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Solution

The fourth proportional to 3,393.48, 5,091.76 and 2,160.58 is: 3,241.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.48 : 5,091.76 = 2,160.58 : x
  2. Step 2: Convert to fraction form
    3,393.48/5,091.76 = 2,160.58/x
  3. Step 3: Cross multiply
    3,393.48x = 5,091.76 × 2,160.58
  4. Step 4: Simplify right side
    3,393.48x = 11,001,154.82
  5. Step 5: Solve for x
    x = 11,001,154.82/3,393.48
  6. Step 6: Final answer
    x = 3,241.85

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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.