Home / 2,108.12-2,910.25-1,634.94

Finding the Fourth Proportional to 2,108.12, 2,910.25 and 1,634.94

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Solution

The fourth proportional to 2,108.12, 2,910.25 and 1,634.94 is: 2,257.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108.12 : 2,910.25 = 1,634.94 : x
  2. Step 2: Convert to fraction form
    2,108.12/2,910.25 = 1,634.94/x
  3. Step 3: Cross multiply
    2,108.12x = 2,910.25 × 1,634.94
  4. Step 4: Simplify right side
    2,108.12x = 4,758,084.14
  5. Step 5: Solve for x
    x = 4,758,084.14/2,108.12
  6. Step 6: Final answer
    x = 2,257.03

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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.