Home / 3,974.24-5,954.16-1,661.60

Finding the Fourth Proportional to 3,974.24, 5,954.16 and 1,661.60

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Solution

The fourth proportional to 3,974.24, 5,954.16 and 1,661.60 is: 2,489.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.24 : 5,954.16 = 1,661.60 : x
  2. Step 2: Convert to fraction form
    3,974.24/5,954.16 = 1,661.60/x
  3. Step 3: Cross multiply
    3,974.24x = 5,954.16 × 1,661.60
  4. Step 4: Simplify right side
    3,974.24x = 9,893,432.26
  5. Step 5: Solve for x
    x = 9,893,432.26/3,974.24
  6. Step 6: Final answer
    x = 2,489.39

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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.