Home / 4,090.64-6,136.88-2,240.81

Finding the Fourth Proportional to 4,090.64, 6,136.88 and 2,240.81

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Solution

The fourth proportional to 4,090.64, 6,136.88 and 2,240.81 is: 3,361.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.64 : 6,136.88 = 2,240.81 : x
  2. Step 2: Convert to fraction form
    4,090.64/6,136.88 = 2,240.81/x
  3. Step 3: Cross multiply
    4,090.64x = 6,136.88 × 2,240.81
  4. Step 4: Simplify right side
    4,090.64x = 13,751,540.18
  5. Step 5: Solve for x
    x = 13,751,540.18/4,090.64
  6. Step 6: Final answer
    x = 3,361.71

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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.