Home / 3,690.05-5,091.89-2,273.51

Finding the Fourth Proportional to 3,690.05, 5,091.89 and 2,273.51

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Solution

The fourth proportional to 3,690.05, 5,091.89 and 2,273.51 is: 3,137.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.05 : 5,091.89 = 2,273.51 : x
  2. Step 2: Convert to fraction form
    3,690.05/5,091.89 = 2,273.51/x
  3. Step 3: Cross multiply
    3,690.05x = 5,091.89 × 2,273.51
  4. Step 4: Simplify right side
    3,690.05x = 11,576,464.20
  5. Step 5: Solve for x
    x = 11,576,464.20/3,690.05
  6. Step 6: Final answer
    x = 3,137.21

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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.