Home / 3,326.32-4,989.48-1,378.27

Finding the Fourth Proportional to 3,326.32, 4,989.48 and 1,378.27

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Solution

The fourth proportional to 3,326.32, 4,989.48 and 1,378.27 is: 2,067.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.32 : 4,989.48 = 1,378.27 : x
  2. Step 2: Convert to fraction form
    3,326.32/4,989.48 = 1,378.27/x
  3. Step 3: Cross multiply
    3,326.32x = 4,989.48 × 1,378.27
  4. Step 4: Simplify right side
    3,326.32x = 6,876,850.60
  5. Step 5: Solve for x
    x = 6,876,850.60/3,326.32
  6. Step 6: Final answer
    x = 2,067.41

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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.