Home / 2,161.10-3,241.62-700.22

Finding the Fourth Proportional to 2,161.10, 3,241.62 and 700.22

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Solution

The fourth proportional to 2,161.10, 3,241.62 and 700.22 is: 1,050.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161.10 : 3,241.62 = 700.22 : x
  2. Step 2: Convert to fraction form
    2,161.10/3,241.62 = 700.22/x
  3. Step 3: Cross multiply
    2,161.10x = 3,241.62 × 700.22
  4. Step 4: Simplify right side
    2,161.10x = 2,269,830.95
  5. Step 5: Solve for x
    x = 2,269,830.95/2,161.10
  6. Step 6: Final answer
    x = 1,050.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.