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Finding the Fourth Proportional to 2,305.54, 3,181.04 and 1,373.38

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Solution

The fourth proportional to 2,305.54, 3,181.04 and 1,373.38 is: 1,894.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.54 : 3,181.04 = 1,373.38 : x
  2. Step 2: Convert to fraction form
    2,305.54/3,181.04 = 1,373.38/x
  3. Step 3: Cross multiply
    2,305.54x = 3,181.04 × 1,373.38
  4. Step 4: Simplify right side
    2,305.54x = 4,368,776.72
  5. Step 5: Solve for x
    x = 4,368,776.72/2,305.54
  6. Step 6: Final answer
    x = 1,894.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.