Home / 2,149.36-2,965.94-1,265.02

Finding the Fourth Proportional to 2,149.36, 2,965.94 and 1,265.02

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Solution

The fourth proportional to 2,149.36, 2,965.94 and 1,265.02 is: 1,745.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.36 : 2,965.94 = 1,265.02 : x
  2. Step 2: Convert to fraction form
    2,149.36/2,965.94 = 1,265.02/x
  3. Step 3: Cross multiply
    2,149.36x = 2,965.94 × 1,265.02
  4. Step 4: Simplify right side
    2,149.36x = 3,751,973.42
  5. Step 5: Solve for x
    x = 3,751,973.42/2,149.36
  6. Step 6: Final answer
    x = 1,745.62

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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.