Home / 2,845.58-3,928.14-1,726.88

Finding the Fourth Proportional to 2,845.58, 3,928.14 and 1,726.88

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Solution

The fourth proportional to 2,845.58, 3,928.14 and 1,726.88 is: 2,383.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.58 : 3,928.14 = 1,726.88 : x
  2. Step 2: Convert to fraction form
    2,845.58/3,928.14 = 1,726.88/x
  3. Step 3: Cross multiply
    2,845.58x = 3,928.14 × 1,726.88
  4. Step 4: Simplify right side
    2,845.58x = 6,783,413.77
  5. Step 5: Solve for x
    x = 6,783,413.77/2,845.58
  6. Step 6: Final answer
    x = 2,383.84

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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.