Home / 2,743.83-4,119.09-2,287.20

Finding the Fourth Proportional to 2,743.83, 4,119.09 and 2,287.20

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Solution

The fourth proportional to 2,743.83, 4,119.09 and 2,287.20 is: 3,433.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.83 : 4,119.09 = 2,287.20 : x
  2. Step 2: Convert to fraction form
    2,743.83/4,119.09 = 2,287.20/x
  3. Step 3: Cross multiply
    2,743.83x = 4,119.09 × 2,287.20
  4. Step 4: Simplify right side
    2,743.83x = 9,421,182.65
  5. Step 5: Solve for x
    x = 9,421,182.65/2,743.83
  6. Step 6: Final answer
    x = 3,433.59

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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.