Home / 3,481.44-4,804.69-1,909.84

Finding the Fourth Proportional to 3,481.44, 4,804.69 and 1,909.84

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Solution

The fourth proportional to 3,481.44, 4,804.69 and 1,909.84 is: 2,635.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.44 : 4,804.69 = 1,909.84 : x
  2. Step 2: Convert to fraction form
    3,481.44/4,804.69 = 1,909.84/x
  3. Step 3: Cross multiply
    3,481.44x = 4,804.69 × 1,909.84
  4. Step 4: Simplify right side
    3,481.44x = 9,176,189.15
  5. Step 5: Solve for x
    x = 9,176,189.15/3,481.44
  6. Step 6: Final answer
    x = 2,635.75

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1.5x scale

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.