Home / 3,190.80-4,401.96-2,304.66

Finding the Fourth Proportional to 3,190.80, 4,401.96 and 2,304.66

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Solution

The fourth proportional to 3,190.80, 4,401.96 and 2,304.66 is: 3,179.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.80 : 4,401.96 = 2,304.66 : x
  2. Step 2: Convert to fraction form
    3,190.80/4,401.96 = 2,304.66/x
  3. Step 3: Cross multiply
    3,190.80x = 4,401.96 × 2,304.66
  4. Step 4: Simplify right side
    3,190.80x = 10,145,021.13
  5. Step 5: Solve for x
    x = 10,145,021.13/3,190.80
  6. Step 6: Final answer
    x = 3,179.46

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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.