Home / 3,190.89-4,401.49-2,245.02

Finding the Fourth Proportional to 3,190.89, 4,401.49 and 2,245.02

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Solution

The fourth proportional to 3,190.89, 4,401.49 and 2,245.02 is: 3,096.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.89 : 4,401.49 = 2,245.02 : x
  2. Step 2: Convert to fraction form
    3,190.89/4,401.49 = 2,245.02/x
  3. Step 3: Cross multiply
    3,190.89x = 4,401.49 × 2,245.02
  4. Step 4: Simplify right side
    3,190.89x = 9,881,415.17
  5. Step 5: Solve for x
    x = 9,881,415.17/3,190.89
  6. Step 6: Final answer
    x = 3,096.75

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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.