Home / 3,081.14-4,620.49-1,326.27

Finding the Fourth Proportional to 3,081.14, 4,620.49 and 1,326.27

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Solution

The fourth proportional to 3,081.14, 4,620.49 and 1,326.27 is: 1,988.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.14 : 4,620.49 = 1,326.27 : x
  2. Step 2: Convert to fraction form
    3,081.14/4,620.49 = 1,326.27/x
  3. Step 3: Cross multiply
    3,081.14x = 4,620.49 × 1,326.27
  4. Step 4: Simplify right side
    3,081.14x = 6,128,013.96
  5. Step 5: Solve for x
    x = 6,128,013.96/3,081.14
  6. Step 6: Final answer
    x = 1,988.88

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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.