Home / 1,790.44-2,682.52-1,242.97

Finding the Fourth Proportional to 1,790.44, 2,682.52 and 1,242.97

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Solution

The fourth proportional to 1,790.44, 2,682.52 and 1,242.97 is: 1,862.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.44 : 2,682.52 = 1,242.97 : x
  2. Step 2: Convert to fraction form
    1,790.44/2,682.52 = 1,242.97/x
  3. Step 3: Cross multiply
    1,790.44x = 2,682.52 × 1,242.97
  4. Step 4: Simplify right side
    1,790.44x = 3,334,282.07
  5. Step 5: Solve for x
    x = 3,334,282.07/1,790.44
  6. Step 6: Final answer
    x = 1,862.27

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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.