Home / 3,251.69-4,878.44-1,305.26

Finding the Fourth Proportional to 3,251.69, 4,878.44 and 1,305.26

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Solution

The fourth proportional to 3,251.69, 4,878.44 and 1,305.26 is: 1,958.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.69 : 4,878.44 = 1,305.26 : x
  2. Step 2: Convert to fraction form
    3,251.69/4,878.44 = 1,305.26/x
  3. Step 3: Cross multiply
    3,251.69x = 4,878.44 × 1,305.26
  4. Step 4: Simplify right side
    3,251.69x = 6,367,611.47
  5. Step 5: Solve for x
    x = 6,367,611.47/3,251.69
  6. Step 6: Final answer
    x = 1,958.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.