Home / 3,902.35-5,383.25-2,642.97

Finding the Fourth Proportional to 3,902.35, 5,383.25 and 2,642.97

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Solution

The fourth proportional to 3,902.35, 5,383.25 and 2,642.97 is: 3,645.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.35 : 5,383.25 = 2,642.97 : x
  2. Step 2: Convert to fraction form
    3,902.35/5,383.25 = 2,642.97/x
  3. Step 3: Cross multiply
    3,902.35x = 5,383.25 × 2,642.97
  4. Step 4: Simplify right side
    3,902.35x = 14,227,743.57
  5. Step 5: Solve for x
    x = 14,227,743.57/3,902.35
  6. Step 6: Final answer
    x = 3,645.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.