Home / 2,150.90-2,968.30-1,266.54

Finding the Fourth Proportional to 2,150.90, 2,968.30 and 1,266.54

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Solution

The fourth proportional to 2,150.90, 2,968.30 and 1,266.54 is: 1,747.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150.90 : 2,968.30 = 1,266.54 : x
  2. Step 2: Convert to fraction form
    2,150.90/2,968.30 = 1,266.54/x
  3. Step 3: Cross multiply
    2,150.90x = 2,968.30 × 1,266.54
  4. Step 4: Simplify right side
    2,150.90x = 3,759,470.68
  5. Step 5: Solve for x
    x = 3,759,470.68/2,150.90
  6. Step 6: Final answer
    x = 1,747.86

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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.