Home / 2,728.18-3,764.23-1,609.03

Finding the Fourth Proportional to 2,728.18, 3,764.23 and 1,609.03

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Solution

The fourth proportional to 2,728.18, 3,764.23 and 1,609.03 is: 2,220.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.18 : 3,764.23 = 1,609.03 : x
  2. Step 2: Convert to fraction form
    2,728.18/3,764.23 = 1,609.03/x
  3. Step 3: Cross multiply
    2,728.18x = 3,764.23 × 1,609.03
  4. Step 4: Simplify right side
    2,728.18x = 6,056,759.00
  5. Step 5: Solve for x
    x = 6,056,759.00/2,728.18
  6. Step 6: Final answer
    x = 2,220.07

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Half scale
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Double scale
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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.