Home / 2,854.44-3,941.46-2,109.24

Finding the Fourth Proportional to 2,854.44, 3,941.46 and 2,109.24

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Solution

The fourth proportional to 2,854.44, 3,941.46 and 2,109.24 is: 2,912.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.44 : 3,941.46 = 2,109.24 : x
  2. Step 2: Convert to fraction form
    2,854.44/3,941.46 = 2,109.24/x
  3. Step 3: Cross multiply
    2,854.44x = 3,941.46 × 2,109.24
  4. Step 4: Simplify right side
    2,854.44x = 8,313,485.09
  5. Step 5: Solve for x
    x = 8,313,485.09/2,854.44
  6. Step 6: Final answer
    x = 2,912.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.