Home / 3,683.53-5,081.59-2,190.60

Finding the Fourth Proportional to 3,683.53, 5,081.59 and 2,190.60

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Solution

The fourth proportional to 3,683.53, 5,081.59 and 2,190.60 is: 3,022.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.53 : 5,081.59 = 2,190.60 : x
  2. Step 2: Convert to fraction form
    3,683.53/5,081.59 = 2,190.60/x
  3. Step 3: Cross multiply
    3,683.53x = 5,081.59 × 2,190.60
  4. Step 4: Simplify right side
    3,683.53x = 11,131,733.79
  5. Step 5: Solve for x
    x = 11,131,733.79/3,683.53
  6. Step 6: Final answer
    x = 3,022.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.