Home / 2,194.77-3,287.81-1,153.22

Finding the Fourth Proportional to 2,194.77, 3,287.81 and 1,153.22

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Solution

The fourth proportional to 2,194.77, 3,287.81 and 1,153.22 is: 1,727.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.77 : 3,287.81 = 1,153.22 : x
  2. Step 2: Convert to fraction form
    2,194.77/3,287.81 = 1,153.22/x
  3. Step 3: Cross multiply
    2,194.77x = 3,287.81 × 1,153.22
  4. Step 4: Simplify right side
    2,194.77x = 3,791,554.69
  5. Step 5: Solve for x
    x = 3,791,554.69/2,194.77
  6. Step 6: Final answer
    x = 1,727.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.