Home / 3,481.35-4,804.23-1,909.45

Finding the Fourth Proportional to 3,481.35, 4,804.23 and 1,909.45

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Solution

The fourth proportional to 3,481.35, 4,804.23 and 1,909.45 is: 2,635.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.35 : 4,804.23 = 1,909.45 : x
  2. Step 2: Convert to fraction form
    3,481.35/4,804.23 = 1,909.45/x
  3. Step 3: Cross multiply
    3,481.35x = 4,804.23 × 1,909.45
  4. Step 4: Simplify right side
    3,481.35x = 9,173,436.97
  5. Step 5: Solve for x
    x = 9,173,436.97/3,481.35
  6. Step 6: Final answer
    x = 2,635.02

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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.