Home / 2,974.08-4,104.04-1,647.80

Finding the Fourth Proportional to 2,974.08, 4,104.04 and 1,647.80

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Solution

The fourth proportional to 2,974.08, 4,104.04 and 1,647.80 is: 2,273.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.08 : 4,104.04 = 1,647.80 : x
  2. Step 2: Convert to fraction form
    2,974.08/4,104.04 = 1,647.80/x
  3. Step 3: Cross multiply
    2,974.08x = 4,104.04 × 1,647.80
  4. Step 4: Simplify right side
    2,974.08x = 6,762,637.11
  5. Step 5: Solve for x
    x = 6,762,637.11/2,974.08
  6. Step 6: Final answer
    x = 2,273.86

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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.