Home / 2,151-2,968.92-1,266.48

Finding the Fourth Proportional to 2,151, 2,968.92 and 1,266.48

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Solution

The fourth proportional to 2,151, 2,968.92 and 1,266.48 is: 1,748.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151 : 2,968.92 = 1,266.48 : x
  2. Step 2: Convert to fraction form
    2,151/2,968.92 = 1,266.48/x
  3. Step 3: Cross multiply
    2,151x = 2,968.92 × 1,266.48
  4. Step 4: Simplify right side
    2,151x = 3,760,077.80
  5. Step 5: Solve for x
    x = 3,760,077.80/2,151
  6. Step 6: Final answer
    x = 1,748.06

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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.