Home / 2,413.78-3,331.39-1,750.39

Finding the Fourth Proportional to 2,413.78, 3,331.39 and 1,750.39

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Solution

The fourth proportional to 2,413.78, 3,331.39 and 1,750.39 is: 2,415.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.78 : 3,331.39 = 1,750.39 : x
  2. Step 2: Convert to fraction form
    2,413.78/3,331.39 = 1,750.39/x
  3. Step 3: Cross multiply
    2,413.78x = 3,331.39 × 1,750.39
  4. Step 4: Simplify right side
    2,413.78x = 5,831,231.74
  5. Step 5: Solve for x
    x = 5,831,231.74/2,413.78
  6. Step 6: Final answer
    x = 2,415.81

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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.