Home / 2,785.14-3,842.24-1,790.06

Finding the Fourth Proportional to 2,785.14, 3,842.24 and 1,790.06

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Solution

The fourth proportional to 2,785.14, 3,842.24 and 1,790.06 is: 2,469.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.14 : 3,842.24 = 1,790.06 : x
  2. Step 2: Convert to fraction form
    2,785.14/3,842.24 = 1,790.06/x
  3. Step 3: Cross multiply
    2,785.14x = 3,842.24 × 1,790.06
  4. Step 4: Simplify right side
    2,785.14x = 6,877,811.97
  5. Step 5: Solve for x
    x = 6,877,811.97/2,785.14
  6. Step 6: Final answer
    x = 2,469.47

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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.