Home / 2,906.25-4,007.91-2,242.05

Finding the Fourth Proportional to 2,906.25, 4,007.91 and 2,242.05

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Solution

The fourth proportional to 2,906.25, 4,007.91 and 2,242.05 is: 3,091.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.25 : 4,007.91 = 2,242.05 : x
  2. Step 2: Convert to fraction form
    2,906.25/4,007.91 = 2,242.05/x
  3. Step 3: Cross multiply
    2,906.25x = 4,007.91 × 2,242.05
  4. Step 4: Simplify right side
    2,906.25x = 8,985,934.62
  5. Step 5: Solve for x
    x = 8,985,934.62/2,906.25
  6. Step 6: Final answer
    x = 3,091.93

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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.