Home / 3,192.21-4,405.08-1,995.44

Finding the Fourth Proportional to 3,192.21, 4,405.08 and 1,995.44

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Solution

The fourth proportional to 3,192.21, 4,405.08 and 1,995.44 is: 2,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.21 : 4,405.08 = 1,995.44 : x
  2. Step 2: Convert to fraction form
    3,192.21/4,405.08 = 1,995.44/x
  3. Step 3: Cross multiply
    3,192.21x = 4,405.08 × 1,995.44
  4. Step 4: Simplify right side
    3,192.21x = 8,790,058.29
  5. Step 5: Solve for x
    x = 8,790,058.29/3,192.21
  6. Step 6: Final answer
    x = 2,753.60

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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.