Home / 3,845.36-5,307-2,273.60

Finding the Fourth Proportional to 3,845.36, 5,307 and 2,273.60

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Solution

The fourth proportional to 3,845.36, 5,307 and 2,273.60 is: 3,137.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.36 : 5,307 = 2,273.60 : x
  2. Step 2: Convert to fraction form
    3,845.36/5,307 = 2,273.60/x
  3. Step 3: Cross multiply
    3,845.36x = 5,307 × 2,273.60
  4. Step 4: Simplify right side
    3,845.36x = 12,065,995.20
  5. Step 5: Solve for x
    x = 12,065,995.20/3,845.36
  6. Step 6: Final answer
    x = 3,137.81

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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.