Home / 3,912.98-5,399.63-2,234.34

Finding the Fourth Proportional to 3,912.98, 5,399.63 and 2,234.34

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Solution

The fourth proportional to 3,912.98, 5,399.63 and 2,234.34 is: 3,083.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.98 : 5,399.63 = 2,234.34 : x
  2. Step 2: Convert to fraction form
    3,912.98/5,399.63 = 2,234.34/x
  3. Step 3: Cross multiply
    3,912.98x = 5,399.63 × 2,234.34
  4. Step 4: Simplify right side
    3,912.98x = 12,064,598.12
  5. Step 5: Solve for x
    x = 12,064,598.12/3,912.98
  6. Step 6: Final answer
    x = 3,083.23

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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.