Home / 3,609.56-4,979.39-2,351.34

Finding the Fourth Proportional to 3,609.56, 4,979.39 and 2,351.34

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Solution

The fourth proportional to 3,609.56, 4,979.39 and 2,351.34 is: 3,243.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.56 : 4,979.39 = 2,351.34 : x
  2. Step 2: Convert to fraction form
    3,609.56/4,979.39 = 2,351.34/x
  3. Step 3: Cross multiply
    3,609.56x = 4,979.39 × 2,351.34
  4. Step 4: Simplify right side
    3,609.56x = 11,708,238.88
  5. Step 5: Solve for x
    x = 11,708,238.88/3,609.56
  6. Step 6: Final answer
    x = 3,243.68

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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.