Home / 3,192.21-4,405.21-1,794.96

Finding the Fourth Proportional to 3,192.21, 4,405.21 and 1,794.96

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Solution

The fourth proportional to 3,192.21, 4,405.21 and 1,794.96 is: 2,477.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.21 : 4,405.21 = 1,794.96 : x
  2. Step 2: Convert to fraction form
    3,192.21/4,405.21 = 1,794.96/x
  3. Step 3: Cross multiply
    3,192.21x = 4,405.21 × 1,794.96
  4. Step 4: Simplify right side
    3,192.21x = 7,907,171.25
  5. Step 5: Solve for x
    x = 7,907,171.25/3,192.21
  6. Step 6: Final answer
    x = 2,477.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.