Home / 2,960.96-4,086.35-1,634.69

Finding the Fourth Proportional to 2,960.96, 4,086.35 and 1,634.69

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Solution

The fourth proportional to 2,960.96, 4,086.35 and 1,634.69 is: 2,255.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.96 : 4,086.35 = 1,634.69 : x
  2. Step 2: Convert to fraction form
    2,960.96/4,086.35 = 1,634.69/x
  3. Step 3: Cross multiply
    2,960.96x = 4,086.35 × 1,634.69
  4. Step 4: Simplify right side
    2,960.96x = 6,679,886.88
  5. Step 5: Solve for x
    x = 6,679,886.88/2,960.96
  6. Step 6: Final answer
    x = 2,255.99

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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.