Home / 2,958.88-4,436.49-1,661.26

Finding the Fourth Proportional to 2,958.88, 4,436.49 and 1,661.26

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Solution

The fourth proportional to 2,958.88, 4,436.49 and 1,661.26 is: 2,490.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.88 : 4,436.49 = 1,661.26 : x
  2. Step 2: Convert to fraction form
    2,958.88/4,436.49 = 1,661.26/x
  3. Step 3: Cross multiply
    2,958.88x = 4,436.49 × 1,661.26
  4. Step 4: Simplify right side
    2,958.88x = 7,370,163.38
  5. Step 5: Solve for x
    x = 7,370,163.38/2,958.88
  6. Step 6: Final answer
    x = 2,490.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.