Home / 2,974.12-4,458.80-1,413.34

Finding the Fourth Proportional to 2,974.12, 4,458.80 and 1,413.34

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Solution

The fourth proportional to 2,974.12, 4,458.80 and 1,413.34 is: 2,118.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.12 : 4,458.80 = 1,413.34 : x
  2. Step 2: Convert to fraction form
    2,974.12/4,458.80 = 1,413.34/x
  3. Step 3: Cross multiply
    2,974.12x = 4,458.80 × 1,413.34
  4. Step 4: Simplify right side
    2,974.12x = 6,301,800.39
  5. Step 5: Solve for x
    x = 6,301,800.39/2,974.12
  6. Step 6: Final answer
    x = 2,118.88

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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.