Home / 2,148.89-2,965.68-1,264.97

Finding the Fourth Proportional to 2,148.89, 2,965.68 and 1,264.97

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Solution

The fourth proportional to 2,148.89, 2,965.68 and 1,264.97 is: 1,745.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.89 : 2,965.68 = 1,264.97 : x
  2. Step 2: Convert to fraction form
    2,148.89/2,965.68 = 1,264.97/x
  3. Step 3: Cross multiply
    2,148.89x = 2,965.68 × 1,264.97
  4. Step 4: Simplify right side
    2,148.89x = 3,751,503.64
  5. Step 5: Solve for x
    x = 3,751,503.64/2,148.89
  6. Step 6: Final answer
    x = 1,745.79

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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.