Home / 2,224.23-3,055.70-1,991.22

Finding the Fourth Proportional to 2,224.23, 3,055.70 and 1,991.22

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Solution

The fourth proportional to 2,224.23, 3,055.70 and 1,991.22 is: 2,735.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.23 : 3,055.70 = 1,991.22 : x
  2. Step 2: Convert to fraction form
    2,224.23/3,055.70 = 1,991.22/x
  3. Step 3: Cross multiply
    2,224.23x = 3,055.70 × 1,991.22
  4. Step 4: Simplify right side
    2,224.23x = 6,084,561.00
  5. Step 5: Solve for x
    x = 6,084,561.00/2,224.23
  6. Step 6: Final answer
    x = 2,735.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.