Home / 3,081.36-4,609.56-2,382.68

Finding the Fourth Proportional to 3,081.36, 4,609.56 and 2,382.68

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Solution

The fourth proportional to 3,081.36, 4,609.56 and 2,382.68 is: 3,564.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.36 : 4,609.56 = 2,382.68 : x
  2. Step 2: Convert to fraction form
    3,081.36/4,609.56 = 2,382.68/x
  3. Step 3: Cross multiply
    3,081.36x = 4,609.56 × 2,382.68
  4. Step 4: Simplify right side
    3,081.36x = 10,983,106.42
  5. Step 5: Solve for x
    x = 10,983,106.42/3,081.36
  6. Step 6: Final answer
    x = 3,564.37

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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.