Home / 3,481.08-4,804-1,909.28

Finding the Fourth Proportional to 3,481.08, 4,804 and 1,909.28

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Solution

The fourth proportional to 3,481.08, 4,804 and 1,909.28 is: 2,634.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.08 : 4,804 = 1,909.28 : x
  2. Step 2: Convert to fraction form
    3,481.08/4,804 = 1,909.28/x
  3. Step 3: Cross multiply
    3,481.08x = 4,804 × 1,909.28
  4. Step 4: Simplify right side
    3,481.08x = 9,172,181.12
  5. Step 5: Solve for x
    x = 9,172,181.12/3,481.08
  6. Step 6: Final answer
    x = 2,634.87

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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.