Home / 3,226.64-4,840.84-1,378.02

Finding the Fourth Proportional to 3,226.64, 4,840.84 and 1,378.02

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Solution

The fourth proportional to 3,226.64, 4,840.84 and 1,378.02 is: 2,067.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.64 : 4,840.84 = 1,378.02 : x
  2. Step 2: Convert to fraction form
    3,226.64/4,840.84 = 1,378.02/x
  3. Step 3: Cross multiply
    3,226.64x = 4,840.84 × 1,378.02
  4. Step 4: Simplify right side
    3,226.64x = 6,670,775.23
  5. Step 5: Solve for x
    x = 6,670,775.23/3,226.64
  6. Step 6: Final answer
    x = 2,067.41

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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.