Home / 3,313.05-4,972.91-2,940.24

Finding the Fourth Proportional to 3,313.05, 4,972.91 and 2,940.24

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Solution

The fourth proportional to 3,313.05, 4,972.91 and 2,940.24 is: 4,413.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.05 : 4,972.91 = 2,940.24 : x
  2. Step 2: Convert to fraction form
    3,313.05/4,972.91 = 2,940.24/x
  3. Step 3: Cross multiply
    3,313.05x = 4,972.91 × 2,940.24
  4. Step 4: Simplify right side
    3,313.05x = 14,621,548.90
  5. Step 5: Solve for x
    x = 14,621,548.90/3,313.05
  6. Step 6: Final answer
    x = 4,413.32

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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.