Home / 3,129.48-4,694.94-1,182.96

Finding the Fourth Proportional to 3,129.48, 4,694.94 and 1,182.96

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Solution

The fourth proportional to 3,129.48, 4,694.94 and 1,182.96 is: 1,774.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129.48 : 4,694.94 = 1,182.96 : x
  2. Step 2: Convert to fraction form
    3,129.48/4,694.94 = 1,182.96/x
  3. Step 3: Cross multiply
    3,129.48x = 4,694.94 × 1,182.96
  4. Step 4: Simplify right side
    3,129.48x = 5,553,926.22
  5. Step 5: Solve for x
    x = 5,553,926.22/3,129.48
  6. Step 6: Final answer
    x = 1,774.71

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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.