Home / 3,840.75-5,295.33-2,844.36

Finding the Fourth Proportional to 3,840.75, 5,295.33 and 2,844.36

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Solution

The fourth proportional to 3,840.75, 5,295.33 and 2,844.36 is: 3,921.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.75 : 5,295.33 = 2,844.36 : x
  2. Step 2: Convert to fraction form
    3,840.75/5,295.33 = 2,844.36/x
  3. Step 3: Cross multiply
    3,840.75x = 5,295.33 × 2,844.36
  4. Step 4: Simplify right side
    3,840.75x = 15,061,824.84
  5. Step 5: Solve for x
    x = 15,061,824.84/3,840.75
  6. Step 6: Final answer
    x = 3,921.58

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Half scale
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Double scale
Find fourth proportional to 3,841.75, 5,296.71 and 2,845.36
Similar ratio
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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.