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Finding the Fourth Proportional to 1,895.10, 2,843.06 and 798.90

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Solution

The fourth proportional to 1,895.10, 2,843.06 and 798.90 is: 1,198.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.10 : 2,843.06 = 798.90 : x
  2. Step 2: Convert to fraction form
    1,895.10/2,843.06 = 798.90/x
  3. Step 3: Cross multiply
    1,895.10x = 2,843.06 × 798.90
  4. Step 4: Simplify right side
    1,895.10x = 2,271,316.64
  5. Step 5: Solve for x
    x = 2,271,316.64/1,895.10
  6. Step 6: Final answer
    x = 1,198.52

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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.