Home / 3,071.25-4,238.42-1,745.01

Finding the Fourth Proportional to 3,071.25, 4,238.42 and 1,745.01

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Solution

The fourth proportional to 3,071.25, 4,238.42 and 1,745.01 is: 2,408.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.25 : 4,238.42 = 1,745.01 : x
  2. Step 2: Convert to fraction form
    3,071.25/4,238.42 = 1,745.01/x
  3. Step 3: Cross multiply
    3,071.25x = 4,238.42 × 1,745.01
  4. Step 4: Simplify right side
    3,071.25x = 7,396,076.56
  5. Step 5: Solve for x
    x = 7,396,076.56/3,071.25
  6. Step 6: Final answer
    x = 2,408.16

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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.