Home / 3,022.21-4,162.01-2,720.89

Finding the Fourth Proportional to 3,022.21, 4,162.01 and 2,720.89

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Solution

The fourth proportional to 3,022.21, 4,162.01 and 2,720.89 is: 3,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.21 : 4,162.01 = 2,720.89 : x
  2. Step 2: Convert to fraction form
    3,022.21/4,162.01 = 2,720.89/x
  3. Step 3: Cross multiply
    3,022.21x = 4,162.01 × 2,720.89
  4. Step 4: Simplify right side
    3,022.21x = 11,324,371.39
  5. Step 5: Solve for x
    x = 11,324,371.39/3,022.21
  6. Step 6: Final answer
    x = 3,747.05

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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.