Home / 3,643.38-5,027.81-2,071.44

Finding the Fourth Proportional to 3,643.38, 5,027.81 and 2,071.44

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Solution

The fourth proportional to 3,643.38, 5,027.81 and 2,071.44 is: 2,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.38 : 5,027.81 = 2,071.44 : x
  2. Step 2: Convert to fraction form
    3,643.38/5,027.81 = 2,071.44/x
  3. Step 3: Cross multiply
    3,643.38x = 5,027.81 × 2,071.44
  4. Step 4: Simplify right side
    3,643.38x = 10,414,796.39
  5. Step 5: Solve for x
    x = 10,414,796.39/3,643.38
  6. Step 6: Final answer
    x = 2,858.55

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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.