Home / 3,146.37-4,342.32-1,749.12

Finding the Fourth Proportional to 3,146.37, 4,342.32 and 1,749.12

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Solution

The fourth proportional to 3,146.37, 4,342.32 and 1,749.12 is: 2,413.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.37 : 4,342.32 = 1,749.12 : x
  2. Step 2: Convert to fraction form
    3,146.37/4,342.32 = 1,749.12/x
  3. Step 3: Cross multiply
    3,146.37x = 4,342.32 × 1,749.12
  4. Step 4: Simplify right side
    3,146.37x = 7,595,238.76
  5. Step 5: Solve for x
    x = 7,595,238.76/3,146.37
  6. Step 6: Final answer
    x = 2,413.97

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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.