Home / 2,313.07-3,179.71-1,992.85

Finding the Fourth Proportional to 2,313.07, 3,179.71 and 1,992.85

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Solution

The fourth proportional to 2,313.07, 3,179.71 and 1,992.85 is: 2,739.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.07 : 3,179.71 = 1,992.85 : x
  2. Step 2: Convert to fraction form
    2,313.07/3,179.71 = 1,992.85/x
  3. Step 3: Cross multiply
    2,313.07x = 3,179.71 × 1,992.85
  4. Step 4: Simplify right side
    2,313.07x = 6,336,685.07
  5. Step 5: Solve for x
    x = 6,336,685.07/2,313.07
  6. Step 6: Final answer
    x = 2,739.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.