Home / 1,862.16-2,791.62-1,204.23

Finding the Fourth Proportional to 1,862.16, 2,791.62 and 1,204.23

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Solution

The fourth proportional to 1,862.16, 2,791.62 and 1,204.23 is: 1,805.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.16 : 2,791.62 = 1,204.23 : x
  2. Step 2: Convert to fraction form
    1,862.16/2,791.62 = 1,204.23/x
  3. Step 3: Cross multiply
    1,862.16x = 2,791.62 × 1,204.23
  4. Step 4: Simplify right side
    1,862.16x = 3,361,752.55
  5. Step 5: Solve for x
    x = 3,361,752.55/1,862.16
  6. Step 6: Final answer
    x = 1,805.30

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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.