Home / 1,914.91-2,873.58-1,413.12

Finding the Fourth Proportional to 1,914.91, 2,873.58 and 1,413.12

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Solution

The fourth proportional to 1,914.91, 2,873.58 and 1,413.12 is: 2,120.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914.91 : 2,873.58 = 1,413.12 : x
  2. Step 2: Convert to fraction form
    1,914.91/2,873.58 = 1,413.12/x
  3. Step 3: Cross multiply
    1,914.91x = 2,873.58 × 1,413.12
  4. Step 4: Simplify right side
    1,914.91x = 4,060,713.37
  5. Step 5: Solve for x
    x = 4,060,713.37/1,914.91
  6. Step 6: Final answer
    x = 2,120.58

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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.