Home / 2,278.08-3,413.79-1,947.06

Finding the Fourth Proportional to 2,278.08, 3,413.79 and 1,947.06

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Solution

The fourth proportional to 2,278.08, 3,413.79 and 1,947.06 is: 2,917.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.08 : 3,413.79 = 1,947.06 : x
  2. Step 2: Convert to fraction form
    2,278.08/3,413.79 = 1,947.06/x
  3. Step 3: Cross multiply
    2,278.08x = 3,413.79 × 1,947.06
  4. Step 4: Simplify right side
    2,278.08x = 6,646,853.96
  5. Step 5: Solve for x
    x = 6,646,853.96/2,278.08
  6. Step 6: Final answer
    x = 2,917.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.