Home / 2,161.42-3,241.40-844.83

Finding the Fourth Proportional to 2,161.42, 3,241.40 and 844.83

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Solution

The fourth proportional to 2,161.42, 3,241.40 and 844.83 is: 1,266.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161.42 : 3,241.40 = 844.83 : x
  2. Step 2: Convert to fraction form
    2,161.42/3,241.40 = 844.83/x
  3. Step 3: Cross multiply
    2,161.42x = 3,241.40 × 844.83
  4. Step 4: Simplify right side
    2,161.42x = 2,738,415.76
  5. Step 5: Solve for x
    x = 2,738,415.76/2,161.42
  6. Step 6: Final answer
    x = 1,266.96

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1.5x scale

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.