Home / 2,211.80-3,054.60-1,796.26

Finding the Fourth Proportional to 2,211.80, 3,054.60 and 1,796.26

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Solution

The fourth proportional to 2,211.80, 3,054.60 and 1,796.26 is: 2,480.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.80 : 3,054.60 = 1,796.26 : x
  2. Step 2: Convert to fraction form
    2,211.80/3,054.60 = 1,796.26/x
  3. Step 3: Cross multiply
    2,211.80x = 3,054.60 × 1,796.26
  4. Step 4: Simplify right side
    2,211.80x = 5,486,855.80
  5. Step 5: Solve for x
    x = 5,486,855.80/2,211.80
  6. Step 6: Final answer
    x = 2,480.72

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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.