Home / 3,315.06-4,975.92-2,942.25

Finding the Fourth Proportional to 3,315.06, 4,975.92 and 2,942.25

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Solution

The fourth proportional to 3,315.06, 4,975.92 and 2,942.25 is: 4,416.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.06 : 4,975.92 = 2,942.25 : x
  2. Step 2: Convert to fraction form
    3,315.06/4,975.92 = 2,942.25/x
  3. Step 3: Cross multiply
    3,315.06x = 4,975.92 × 2,942.25
  4. Step 4: Simplify right side
    3,315.06x = 14,640,400.62
  5. Step 5: Solve for x
    x = 14,640,400.62/3,315.06
  6. Step 6: Final answer
    x = 4,416.33

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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.