Home / 1,910.26-2,862.96-1,042.75

Finding the Fourth Proportional to 1,910.26, 2,862.96 and 1,042.75

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Solution

The fourth proportional to 1,910.26, 2,862.96 and 1,042.75 is: 1,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.26 : 2,862.96 = 1,042.75 : x
  2. Step 2: Convert to fraction form
    1,910.26/2,862.96 = 1,042.75/x
  3. Step 3: Cross multiply
    1,910.26x = 2,862.96 × 1,042.75
  4. Step 4: Simplify right side
    1,910.26x = 2,985,351.54
  5. Step 5: Solve for x
    x = 2,985,351.54/1,910.26
  6. Step 6: Final answer
    x = 1,562.80

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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.