Home / 3,643.40-5,027.94-2,071.60

Finding the Fourth Proportional to 3,643.40, 5,027.94 and 2,071.60

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Solution

The fourth proportional to 3,643.40, 5,027.94 and 2,071.60 is: 2,858.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.40 : 5,027.94 = 2,071.60 : x
  2. Step 2: Convert to fraction form
    3,643.40/5,027.94 = 2,071.60/x
  3. Step 3: Cross multiply
    3,643.40x = 5,027.94 × 2,071.60
  4. Step 4: Simplify right side
    3,643.40x = 10,415,867.93
  5. Step 5: Solve for x
    x = 10,415,867.93/3,643.40
  6. Step 6: Final answer
    x = 2,858.83

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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.