Home / 3,696.40-5,552.70-2,728.72

Finding the Fourth Proportional to 3,696.40, 5,552.70 and 2,728.72

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Solution

The fourth proportional to 3,696.40, 5,552.70 and 2,728.72 is: 4,099.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.40 : 5,552.70 = 2,728.72 : x
  2. Step 2: Convert to fraction form
    3,696.40/5,552.70 = 2,728.72/x
  3. Step 3: Cross multiply
    3,696.40x = 5,552.70 × 2,728.72
  4. Step 4: Simplify right side
    3,696.40x = 15,151,763.54
  5. Step 5: Solve for x
    x = 15,151,763.54/3,696.40
  6. Step 6: Final answer
    x = 4,099.06

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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.