Home / 1,863.98-2,791.68-1,040.42

Finding the Fourth Proportional to 1,863.98, 2,791.68 and 1,040.42

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Solution

The fourth proportional to 1,863.98, 2,791.68 and 1,040.42 is: 1,558.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.98 : 2,791.68 = 1,040.42 : x
  2. Step 2: Convert to fraction form
    1,863.98/2,791.68 = 1,040.42/x
  3. Step 3: Cross multiply
    1,863.98x = 2,791.68 × 1,040.42
  4. Step 4: Simplify right side
    1,863.98x = 2,904,526.68
  5. Step 5: Solve for x
    x = 2,904,526.68/1,863.98
  6. Step 6: Final answer
    x = 1,558.24

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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.