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Finding the Fourth Proportional to 1,895.48, 2,843.63 and 800.36

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Solution

The fourth proportional to 1,895.48, 2,843.63 and 800.36 is: 1,200.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.48 : 2,843.63 = 800.36 : x
  2. Step 2: Convert to fraction form
    1,895.48/2,843.63 = 800.36/x
  3. Step 3: Cross multiply
    1,895.48x = 2,843.63 × 800.36
  4. Step 4: Simplify right side
    1,895.48x = 2,275,909.49
  5. Step 5: Solve for x
    x = 2,275,909.49/1,895.48
  6. Step 6: Final answer
    x = 1,200.71

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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.