Home / 3,405.44-5,103.72-2,964.80

Finding the Fourth Proportional to 3,405.44, 5,103.72 and 2,964.80

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Solution

The fourth proportional to 3,405.44, 5,103.72 and 2,964.80 is: 4,443.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.44 : 5,103.72 = 2,964.80 : x
  2. Step 2: Convert to fraction form
    3,405.44/5,103.72 = 2,964.80/x
  3. Step 3: Cross multiply
    3,405.44x = 5,103.72 × 2,964.80
  4. Step 4: Simplify right side
    3,405.44x = 15,131,509.06
  5. Step 5: Solve for x
    x = 15,131,509.06/3,405.44
  6. Step 6: Final answer
    x = 4,443.33

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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.