Home / 3,071.43-4,238.70-1,745.10

Finding the Fourth Proportional to 3,071.43, 4,238.70 and 1,745.10

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Solution

The fourth proportional to 3,071.43, 4,238.70 and 1,745.10 is: 2,408.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.43 : 4,238.70 = 1,745.10 : x
  2. Step 2: Convert to fraction form
    3,071.43/4,238.70 = 1,745.10/x
  3. Step 3: Cross multiply
    3,071.43x = 4,238.70 × 1,745.10
  4. Step 4: Simplify right side
    3,071.43x = 7,396,955.37
  5. Step 5: Solve for x
    x = 7,396,955.37/3,071.43
  6. Step 6: Final answer
    x = 2,408.31

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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.