Home / 3,122.43-4,684.21-1,042.23

Finding the Fourth Proportional to 3,122.43, 4,684.21 and 1,042.23

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Solution

The fourth proportional to 3,122.43, 4,684.21 and 1,042.23 is: 1,563.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.43 : 4,684.21 = 1,042.23 : x
  2. Step 2: Convert to fraction form
    3,122.43/4,684.21 = 1,042.23/x
  3. Step 3: Cross multiply
    3,122.43x = 4,684.21 × 1,042.23
  4. Step 4: Simplify right side
    3,122.43x = 4,882,021.58
  5. Step 5: Solve for x
    x = 4,882,021.58/3,122.43
  6. Step 6: Final answer
    x = 1,563.53

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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.