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Finding the Fourth Proportional to 2,955.67, 4,049.25 and 2,844.88

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Solution

The fourth proportional to 2,955.67, 4,049.25 and 2,844.88 is: 3,897.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.67 : 4,049.25 = 2,844.88 : x
  2. Step 2: Convert to fraction form
    2,955.67/4,049.25 = 2,844.88/x
  3. Step 3: Cross multiply
    2,955.67x = 4,049.25 × 2,844.88
  4. Step 4: Simplify right side
    2,955.67x = 11,519,633.90
  5. Step 5: Solve for x
    x = 11,519,633.90/2,955.67
  6. Step 6: Final answer
    x = 3,897.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.