Home / 2,906.26-4,007.98-2,162.08

Finding the Fourth Proportional to 2,906.26, 4,007.98 and 2,162.08

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Solution

The fourth proportional to 2,906.26, 4,007.98 and 2,162.08 is: 2,981.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.26 : 4,007.98 = 2,162.08 : x
  2. Step 2: Convert to fraction form
    2,906.26/4,007.98 = 2,162.08/x
  3. Step 3: Cross multiply
    2,906.26x = 4,007.98 × 2,162.08
  4. Step 4: Simplify right side
    2,906.26x = 8,665,573.40
  5. Step 5: Solve for x
    x = 8,665,573.40/2,906.26
  6. Step 6: Final answer
    x = 2,981.69

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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.