Home / 2,986.41-4,121.24-1,659.99

Finding the Fourth Proportional to 2,986.41, 4,121.24 and 1,659.99

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Solution

The fourth proportional to 2,986.41, 4,121.24 and 1,659.99 is: 2,290.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.41 : 4,121.24 = 1,659.99 : x
  2. Step 2: Convert to fraction form
    2,986.41/4,121.24 = 1,659.99/x
  3. Step 3: Cross multiply
    2,986.41x = 4,121.24 × 1,659.99
  4. Step 4: Simplify right side
    2,986.41x = 6,841,208.89
  5. Step 5: Solve for x
    x = 6,841,208.89/2,986.41
  6. Step 6: Final answer
    x = 2,290.78

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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.