Home / 3,481.69-4,804.77-1,909.75

Finding the Fourth Proportional to 3,481.69, 4,804.77 and 1,909.75

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Solution

The fourth proportional to 3,481.69, 4,804.77 and 1,909.75 is: 2,635.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.69 : 4,804.77 = 1,909.75 : x
  2. Step 2: Convert to fraction form
    3,481.69/4,804.77 = 1,909.75/x
  3. Step 3: Cross multiply
    3,481.69x = 4,804.77 × 1,909.75
  4. Step 4: Simplify right side
    3,481.69x = 9,175,909.51
  5. Step 5: Solve for x
    x = 9,175,909.51/3,481.69
  6. Step 6: Final answer
    x = 2,635.48

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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.