Home / 2,743.29-3,785.80-1,623.82

Finding the Fourth Proportional to 2,743.29, 3,785.80 and 1,623.82

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Solution

The fourth proportional to 2,743.29, 3,785.80 and 1,623.82 is: 2,240.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.29 : 3,785.80 = 1,623.82 : x
  2. Step 2: Convert to fraction form
    2,743.29/3,785.80 = 1,623.82/x
  3. Step 3: Cross multiply
    2,743.29x = 3,785.80 × 1,623.82
  4. Step 4: Simplify right side
    2,743.29x = 6,147,457.76
  5. Step 5: Solve for x
    x = 6,147,457.76/2,743.29
  6. Step 6: Final answer
    x = 2,240.91

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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.