Home / 3,922.93-5,413.61-2,330.36

Finding the Fourth Proportional to 3,922.93, 5,413.61 and 2,330.36

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Solution

The fourth proportional to 3,922.93, 5,413.61 and 2,330.36 is: 3,215.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.93 : 5,413.61 = 2,330.36 : x
  2. Step 2: Convert to fraction form
    3,922.93/5,413.61 = 2,330.36/x
  3. Step 3: Cross multiply
    3,922.93x = 5,413.61 × 2,330.36
  4. Step 4: Simplify right side
    3,922.93x = 12,615,646.15
  5. Step 5: Solve for x
    x = 12,615,646.15/3,922.93
  6. Step 6: Final answer
    x = 3,215.87

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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.