Home / 3,647.81-5,460.39-2,948.64

Finding the Fourth Proportional to 3,647.81, 5,460.39 and 2,948.64

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Solution

The fourth proportional to 3,647.81, 5,460.39 and 2,948.64 is: 4,413.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.81 : 5,460.39 = 2,948.64 : x
  2. Step 2: Convert to fraction form
    3,647.81/5,460.39 = 2,948.64/x
  3. Step 3: Cross multiply
    3,647.81x = 5,460.39 × 2,948.64
  4. Step 4: Simplify right side
    3,647.81x = 16,100,724.37
  5. Step 5: Solve for x
    x = 16,100,724.37/3,647.81
  6. Step 6: Final answer
    x = 4,413.81

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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.