Home / 2,161.41-3,243.09-1,050.22

Finding the Fourth Proportional to 2,161.41, 3,243.09 and 1,050.22

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Solution

The fourth proportional to 2,161.41, 3,243.09 and 1,050.22 is: 1,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161.41 : 3,243.09 = 1,050.22 : x
  2. Step 2: Convert to fraction form
    2,161.41/3,243.09 = 1,050.22/x
  3. Step 3: Cross multiply
    2,161.41x = 3,243.09 × 1,050.22
  4. Step 4: Simplify right side
    2,161.41x = 3,405,957.98
  5. Step 5: Solve for x
    x = 3,405,957.98/2,161.41
  6. Step 6: Final answer
    x = 1,575.80

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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.