Home / 3,792.70-5,685.58-3,211.44

Finding the Fourth Proportional to 3,792.70, 5,685.58 and 3,211.44

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Solution

The fourth proportional to 3,792.70, 5,685.58 and 3,211.44 is: 4,814.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.70 : 5,685.58 = 3,211.44 : x
  2. Step 2: Convert to fraction form
    3,792.70/5,685.58 = 3,211.44/x
  3. Step 3: Cross multiply
    3,792.70x = 5,685.58 × 3,211.44
  4. Step 4: Simplify right side
    3,792.70x = 18,258,899.04
  5. Step 5: Solve for x
    x = 18,258,899.04/3,792.70
  6. Step 6: Final answer
    x = 4,814.22

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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.