Home / 2,104.97-2,904.26-1,265.40

Finding the Fourth Proportional to 2,104.97, 2,904.26 and 1,265.40

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Solution

The fourth proportional to 2,104.97, 2,904.26 and 1,265.40 is: 1,745.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.97 : 2,904.26 = 1,265.40 : x
  2. Step 2: Convert to fraction form
    2,104.97/2,904.26 = 1,265.40/x
  3. Step 3: Cross multiply
    2,104.97x = 2,904.26 × 1,265.40
  4. Step 4: Simplify right side
    2,104.97x = 3,675,044.28
  5. Step 5: Solve for x
    x = 3,675,044.28/2,104.97
  6. Step 6: Final answer
    x = 1,745.89

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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.