Home / 2,270.97-3,133.94-1,276.25

Finding the Fourth Proportional to 2,270.97, 3,133.94 and 1,276.25

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Solution

The fourth proportional to 2,270.97, 3,133.94 and 1,276.25 is: 1,761.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.97 : 3,133.94 = 1,276.25 : x
  2. Step 2: Convert to fraction form
    2,270.97/3,133.94 = 1,276.25/x
  3. Step 3: Cross multiply
    2,270.97x = 3,133.94 × 1,276.25
  4. Step 4: Simplify right side
    2,270.97x = 3,999,690.93
  5. Step 5: Solve for x
    x = 3,999,690.93/2,270.97
  6. Step 6: Final answer
    x = 1,761.23

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1.5x scale

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.