Home / 2,974.06-4,103.92-1,647.64

Finding the Fourth Proportional to 2,974.06, 4,103.92 and 1,647.64

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Solution

The fourth proportional to 2,974.06, 4,103.92 and 1,647.64 is: 2,273.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.06 : 4,103.92 = 1,647.64 : x
  2. Step 2: Convert to fraction form
    2,974.06/4,103.92 = 1,647.64/x
  3. Step 3: Cross multiply
    2,974.06x = 4,103.92 × 1,647.64
  4. Step 4: Simplify right side
    2,974.06x = 6,761,782.75
  5. Step 5: Solve for x
    x = 6,761,782.75/2,974.06
  6. Step 6: Final answer
    x = 2,273.59

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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.