Home / 4,141.36-5,715.48-3,091.60

Finding the Fourth Proportional to 4,141.36, 5,715.48 and 3,091.60

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Solution

The fourth proportional to 4,141.36, 5,715.48 and 3,091.60 is: 4,266.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,141.36 : 5,715.48 = 3,091.60 : x
  2. Step 2: Convert to fraction form
    4,141.36/5,715.48 = 3,091.60/x
  3. Step 3: Cross multiply
    4,141.36x = 5,715.48 × 3,091.60
  4. Step 4: Simplify right side
    4,141.36x = 17,669,977.97
  5. Step 5: Solve for x
    x = 17,669,977.97/4,141.36
  6. Step 6: Final answer
    x = 4,266.71

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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.