Home / 2,728.06-3,764.67-1,609.04

Finding the Fourth Proportional to 2,728.06, 3,764.67 and 1,609.04

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Solution

The fourth proportional to 2,728.06, 3,764.67 and 1,609.04 is: 2,220.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.06 : 3,764.67 = 1,609.04 : x
  2. Step 2: Convert to fraction form
    2,728.06/3,764.67 = 1,609.04/x
  3. Step 3: Cross multiply
    2,728.06x = 3,764.67 × 1,609.04
  4. Step 4: Simplify right side
    2,728.06x = 6,057,504.62
  5. Step 5: Solve for x
    x = 6,057,504.62/2,728.06
  6. Step 6: Final answer
    x = 2,220.44

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1.5x scale

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.