Home / 1,945.44-2,684.34-1,159.56

Finding the Fourth Proportional to 1,945.44, 2,684.34 and 1,159.56

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Solution

The fourth proportional to 1,945.44, 2,684.34 and 1,159.56 is: 1,599.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.44 : 2,684.34 = 1,159.56 : x
  2. Step 2: Convert to fraction form
    1,945.44/2,684.34 = 1,159.56/x
  3. Step 3: Cross multiply
    1,945.44x = 2,684.34 × 1,159.56
  4. Step 4: Simplify right side
    1,945.44x = 3,112,653.29
  5. Step 5: Solve for x
    x = 3,112,653.29/1,945.44
  6. Step 6: Final answer
    x = 1,599.97

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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.