Home / 2,213.92-3,054.07-1,427.82

Finding the Fourth Proportional to 2,213.92, 3,054.07 and 1,427.82

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Solution

The fourth proportional to 2,213.92, 3,054.07 and 1,427.82 is: 1,969.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.92 : 3,054.07 = 1,427.82 : x
  2. Step 2: Convert to fraction form
    2,213.92/3,054.07 = 1,427.82/x
  3. Step 3: Cross multiply
    2,213.92x = 3,054.07 × 1,427.82
  4. Step 4: Simplify right side
    2,213.92x = 4,360,662.23
  5. Step 5: Solve for x
    x = 4,360,662.23/2,213.92
  6. Step 6: Final answer
    x = 1,969.66

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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.