Home / 2,194.12-3,027.31-1,309.30

Finding the Fourth Proportional to 2,194.12, 3,027.31 and 1,309.30

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Solution

The fourth proportional to 2,194.12, 3,027.31 and 1,309.30 is: 1,806.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.12 : 3,027.31 = 1,309.30 : x
  2. Step 2: Convert to fraction form
    2,194.12/3,027.31 = 1,309.30/x
  3. Step 3: Cross multiply
    2,194.12x = 3,027.31 × 1,309.30
  4. Step 4: Simplify right side
    2,194.12x = 3,963,656.98
  5. Step 5: Solve for x
    x = 3,963,656.98/2,194.12
  6. Step 6: Final answer
    x = 1,806.49

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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.