Home / 3,400.97-4,693.09-1,908.60

Finding the Fourth Proportional to 3,400.97, 4,693.09 and 1,908.60

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Solution

The fourth proportional to 3,400.97, 4,693.09 and 1,908.60 is: 2,633.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.97 : 4,693.09 = 1,908.60 : x
  2. Step 2: Convert to fraction form
    3,400.97/4,693.09 = 1,908.60/x
  3. Step 3: Cross multiply
    3,400.97x = 4,693.09 × 1,908.60
  4. Step 4: Simplify right side
    3,400.97x = 8,957,233.21
  5. Step 5: Solve for x
    x = 8,957,233.21/3,400.97
  6. Step 6: Final answer
    x = 2,633.73

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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.