Home / 2,762.23-4,144.36-1,282.16

Finding the Fourth Proportional to 2,762.23, 4,144.36 and 1,282.16

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Solution

The fourth proportional to 2,762.23, 4,144.36 and 1,282.16 is: 1,923.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762.23 : 4,144.36 = 1,282.16 : x
  2. Step 2: Convert to fraction form
    2,762.23/4,144.36 = 1,282.16/x
  3. Step 3: Cross multiply
    2,762.23x = 4,144.36 × 1,282.16
  4. Step 4: Simplify right side
    2,762.23x = 5,313,732.62
  5. Step 5: Solve for x
    x = 5,313,732.62/2,762.23
  6. Step 6: Final answer
    x = 1,923.71

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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.