Home / 2,475.44-3,413.54-2,122.58

Finding the Fourth Proportional to 2,475.44, 3,413.54 and 2,122.58

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Solution

The fourth proportional to 2,475.44, 3,413.54 and 2,122.58 is: 2,926.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.44 : 3,413.54 = 2,122.58 : x
  2. Step 2: Convert to fraction form
    2,475.44/3,413.54 = 2,122.58/x
  3. Step 3: Cross multiply
    2,475.44x = 3,413.54 × 2,122.58
  4. Step 4: Simplify right side
    2,475.44x = 7,245,511.73
  5. Step 5: Solve for x
    x = 7,245,511.73/2,475.44
  6. Step 6: Final answer
    x = 2,926.96

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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.