Home / 1,759.94-2,640.52-1,177.28

Finding the Fourth Proportional to 1,759.94, 2,640.52 and 1,177.28

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Solution

The fourth proportional to 1,759.94, 2,640.52 and 1,177.28 is: 1,766.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.94 : 2,640.52 = 1,177.28 : x
  2. Step 2: Convert to fraction form
    1,759.94/2,640.52 = 1,177.28/x
  3. Step 3: Cross multiply
    1,759.94x = 2,640.52 × 1,177.28
  4. Step 4: Simplify right side
    1,759.94x = 3,108,635.04
  5. Step 5: Solve for x
    x = 3,108,635.04/1,759.94
  6. Step 6: Final answer
    x = 1,766.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.