Home / 2,942.43-4,416.71-2,163.31

Finding the Fourth Proportional to 2,942.43, 4,416.71 and 2,163.31

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Solution

The fourth proportional to 2,942.43, 4,416.71 and 2,163.31 is: 3,247.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.43 : 4,416.71 = 2,163.31 : x
  2. Step 2: Convert to fraction form
    2,942.43/4,416.71 = 2,163.31/x
  3. Step 3: Cross multiply
    2,942.43x = 4,416.71 × 2,163.31
  4. Step 4: Simplify right side
    2,942.43x = 9,554,703.22
  5. Step 5: Solve for x
    x = 9,554,703.22/2,942.43
  6. Step 6: Final answer
    x = 3,247.22

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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.