Home / 2,743.68-3,785.21-1,624.22

Finding the Fourth Proportional to 2,743.68, 3,785.21 and 1,624.22

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Solution

The fourth proportional to 2,743.68, 3,785.21 and 1,624.22 is: 2,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.68 : 3,785.21 = 1,624.22 : x
  2. Step 2: Convert to fraction form
    2,743.68/3,785.21 = 1,624.22/x
  3. Step 3: Cross multiply
    2,743.68x = 3,785.21 × 1,624.22
  4. Step 4: Simplify right side
    2,743.68x = 6,147,986.74
  5. Step 5: Solve for x
    x = 6,147,986.74/2,743.68
  6. Step 6: Final answer
    x = 2,240.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.