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Finding the Fourth Proportional to 2,168.00, 2,992.26 and 1,694.96

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Solution

The fourth proportional to 2,168.00, 2,992.26 and 1,694.96 is: 2,339.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.00 : 2,992.26 = 1,694.96 : x
  2. Step 2: Convert to fraction form
    2,168.00/2,992.26 = 1,694.96/x
  3. Step 3: Cross multiply
    2,168.00x = 2,992.26 × 1,694.96
  4. Step 4: Simplify right side
    2,168.00x = 5,071,763.63
  5. Step 5: Solve for x
    x = 5,071,763.63/2,168.00
  6. Step 6: Final answer
    x = 2,339.38

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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.