Home / 3,481.26-4,804.08-1,909.35

Finding the Fourth Proportional to 3,481.26, 4,804.08 and 1,909.35

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Solution

The fourth proportional to 3,481.26, 4,804.08 and 1,909.35 is: 2,634.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.26 : 4,804.08 = 1,909.35 : x
  2. Step 2: Convert to fraction form
    3,481.26/4,804.08 = 1,909.35/x
  3. Step 3: Cross multiply
    3,481.26x = 4,804.08 × 1,909.35
  4. Step 4: Simplify right side
    3,481.26x = 9,172,670.15
  5. Step 5: Solve for x
    x = 9,172,670.15/3,481.26
  6. Step 6: Final answer
    x = 2,634.87

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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.