Home / 3,067.32-4,601.28-1,218.60

Finding the Fourth Proportional to 3,067.32, 4,601.28 and 1,218.60

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Solution

The fourth proportional to 3,067.32, 4,601.28 and 1,218.60 is: 1,828.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.32 : 4,601.28 = 1,218.60 : x
  2. Step 2: Convert to fraction form
    3,067.32/4,601.28 = 1,218.60/x
  3. Step 3: Cross multiply
    3,067.32x = 4,601.28 × 1,218.60
  4. Step 4: Simplify right side
    3,067.32x = 5,607,119.81
  5. Step 5: Solve for x
    x = 5,607,119.81/3,067.32
  6. Step 6: Final answer
    x = 1,828.02

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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.