Home / 1,951.26-2,687.32-1,945.32

Finding the Fourth Proportional to 1,951.26, 2,687.32 and 1,945.32

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Solution

The fourth proportional to 1,951.26, 2,687.32 and 1,945.32 is: 2,679.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.26 : 2,687.32 = 1,945.32 : x
  2. Step 2: Convert to fraction form
    1,951.26/2,687.32 = 1,945.32/x
  3. Step 3: Cross multiply
    1,951.26x = 2,687.32 × 1,945.32
  4. Step 4: Simplify right side
    1,951.26x = 5,227,697.34
  5. Step 5: Solve for x
    x = 5,227,697.34/1,951.26
  6. Step 6: Final answer
    x = 2,679.14

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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.