Home / 2,974.03-4,104.19-1,647.75

Finding the Fourth Proportional to 2,974.03, 4,104.19 and 1,647.75

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Solution

The fourth proportional to 2,974.03, 4,104.19 and 1,647.75 is: 2,273.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.03 : 4,104.19 = 1,647.75 : x
  2. Step 2: Convert to fraction form
    2,974.03/4,104.19 = 1,647.75/x
  3. Step 3: Cross multiply
    2,974.03x = 4,104.19 × 1,647.75
  4. Step 4: Simplify right side
    2,974.03x = 6,762,674.95
  5. Step 5: Solve for x
    x = 6,762,674.95/2,974.03
  6. Step 6: Final answer
    x = 2,273.91

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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.