Home / 2,296.86-3,170.94-1,512.18

Finding the Fourth Proportional to 2,296.86, 3,170.94 and 1,512.18

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Solution

The fourth proportional to 2,296.86, 3,170.94 and 1,512.18 is: 2,087.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.86 : 3,170.94 = 1,512.18 : x
  2. Step 2: Convert to fraction form
    2,296.86/3,170.94 = 1,512.18/x
  3. Step 3: Cross multiply
    2,296.86x = 3,170.94 × 1,512.18
  4. Step 4: Simplify right side
    2,296.86x = 4,795,032.05
  5. Step 5: Solve for x
    x = 4,795,032.05/2,296.86
  6. Step 6: Final answer
    x = 2,087.65

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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.