Home / 2,731.16-3,774.26-2,066.82

Finding the Fourth Proportional to 2,731.16, 3,774.26 and 2,066.82

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Solution

The fourth proportional to 2,731.16, 3,774.26 and 2,066.82 is: 2,856.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.16 : 3,774.26 = 2,066.82 : x
  2. Step 2: Convert to fraction form
    2,731.16/3,774.26 = 2,066.82/x
  3. Step 3: Cross multiply
    2,731.16x = 3,774.26 × 2,066.82
  4. Step 4: Simplify right side
    2,731.16x = 7,800,716.05
  5. Step 5: Solve for x
    x = 7,800,716.05/2,731.16
  6. Step 6: Final answer
    x = 2,856.19

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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.