Home / 2,790.30-4,185.18-1,694.37

Finding the Fourth Proportional to 2,790.30, 4,185.18 and 1,694.37

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Solution

The fourth proportional to 2,790.30, 4,185.18 and 1,694.37 is: 2,541.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.30 : 4,185.18 = 1,694.37 : x
  2. Step 2: Convert to fraction form
    2,790.30/4,185.18 = 1,694.37/x
  3. Step 3: Cross multiply
    2,790.30x = 4,185.18 × 1,694.37
  4. Step 4: Simplify right side
    2,790.30x = 7,091,243.44
  5. Step 5: Solve for x
    x = 7,091,243.44/2,790.30
  6. Step 6: Final answer
    x = 2,541.39

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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.