Home / 3,324.44-4,987.58-1,378.01

Finding the Fourth Proportional to 3,324.44, 4,987.58 and 1,378.01

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Solution

The fourth proportional to 3,324.44, 4,987.58 and 1,378.01 is: 2,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.44 : 4,987.58 = 1,378.01 : x
  2. Step 2: Convert to fraction form
    3,324.44/4,987.58 = 1,378.01/x
  3. Step 3: Cross multiply
    3,324.44x = 4,987.58 × 1,378.01
  4. Step 4: Simplify right side
    3,324.44x = 6,872,940.69
  5. Step 5: Solve for x
    x = 6,872,940.69/3,324.44
  6. Step 6: Final answer
    x = 2,067.40

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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.