Home / 3,383.67-4,660.79-2,387.21

Finding the Fourth Proportional to 3,383.67, 4,660.79 and 2,387.21

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Solution

The fourth proportional to 3,383.67, 4,660.79 and 2,387.21 is: 3,288.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.67 : 4,660.79 = 2,387.21 : x
  2. Step 2: Convert to fraction form
    3,383.67/4,660.79 = 2,387.21/x
  3. Step 3: Cross multiply
    3,383.67x = 4,660.79 × 2,387.21
  4. Step 4: Simplify right side
    3,383.67x = 11,126,249.26
  5. Step 5: Solve for x
    x = 11,126,249.26/3,383.67
  6. Step 6: Final answer
    x = 3,288.22

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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.