Home / 2,727.36-4,091.70-972.27

Finding the Fourth Proportional to 2,727.36, 4,091.70 and 972.27

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Solution

The fourth proportional to 2,727.36, 4,091.70 and 972.27 is: 1,458.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.36 : 4,091.70 = 972.27 : x
  2. Step 2: Convert to fraction form
    2,727.36/4,091.70 = 972.27/x
  3. Step 3: Cross multiply
    2,727.36x = 4,091.70 × 972.27
  4. Step 4: Simplify right side
    2,727.36x = 3,978,237.16
  5. Step 5: Solve for x
    x = 3,978,237.16/2,727.36
  6. Step 6: Final answer
    x = 1,458.64

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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.