Home / 3,400.91-4,691.10-2,458.09

Finding the Fourth Proportional to 3,400.91, 4,691.10 and 2,458.09

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Solution

The fourth proportional to 3,400.91, 4,691.10 and 2,458.09 is: 3,390.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.91 : 4,691.10 = 2,458.09 : x
  2. Step 2: Convert to fraction form
    3,400.91/4,691.10 = 2,458.09/x
  3. Step 3: Cross multiply
    3,400.91x = 4,691.10 × 2,458.09
  4. Step 4: Simplify right side
    3,400.91x = 11,531,146.00
  5. Step 5: Solve for x
    x = 11,531,146.00/3,400.91
  6. Step 6: Final answer
    x = 3,390.61

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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.