Home / 2,960.98-4,086.09-1,634.68

Finding the Fourth Proportional to 2,960.98, 4,086.09 and 1,634.68

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Solution

The fourth proportional to 2,960.98, 4,086.09 and 1,634.68 is: 2,255.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.98 : 4,086.09 = 1,634.68 : x
  2. Step 2: Convert to fraction form
    2,960.98/4,086.09 = 1,634.68/x
  3. Step 3: Cross multiply
    2,960.98x = 4,086.09 × 1,634.68
  4. Step 4: Simplify right side
    2,960.98x = 6,679,449.60
  5. Step 5: Solve for x
    x = 6,679,449.60/2,960.98
  6. Step 6: Final answer
    x = 2,255.82

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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.