Home / 4,243.28-5,851.32-2,843.60

Finding the Fourth Proportional to 4,243.28, 5,851.32 and 2,843.60

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Solution

The fourth proportional to 4,243.28, 5,851.32 and 2,843.60 is: 3,921.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.28 : 5,851.32 = 2,843.60 : x
  2. Step 2: Convert to fraction form
    4,243.28/5,851.32 = 2,843.60/x
  3. Step 3: Cross multiply
    4,243.28x = 5,851.32 × 2,843.60
  4. Step 4: Simplify right side
    4,243.28x = 16,638,813.55
  5. Step 5: Solve for x
    x = 16,638,813.55/4,243.28
  6. Step 6: Final answer
    x = 3,921.22

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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.