Home / 3,274.91-4,912.58-1,085.16

Finding the Fourth Proportional to 3,274.91, 4,912.58 and 1,085.16

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Solution

The fourth proportional to 3,274.91, 4,912.58 and 1,085.16 is: 1,627.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.91 : 4,912.58 = 1,085.16 : x
  2. Step 2: Convert to fraction form
    3,274.91/4,912.58 = 1,085.16/x
  3. Step 3: Cross multiply
    3,274.91x = 4,912.58 × 1,085.16
  4. Step 4: Simplify right side
    3,274.91x = 5,330,929.89
  5. Step 5: Solve for x
    x = 5,330,929.89/3,274.91
  6. Step 6: Final answer
    x = 1,627.81

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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.