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Finding the Fourth Proportional to 1,895.88, 2,843.82 and 527.88

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Solution

The fourth proportional to 1,895.88, 2,843.82 and 527.88 is: 791.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.88 : 2,843.82 = 527.88 : x
  2. Step 2: Convert to fraction form
    1,895.88/2,843.82 = 527.88/x
  3. Step 3: Cross multiply
    1,895.88x = 2,843.82 × 527.88
  4. Step 4: Simplify right side
    1,895.88x = 1,501,195.70
  5. Step 5: Solve for x
    x = 1,501,195.70/1,895.88
  6. Step 6: Final answer
    x = 791.82

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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.