Home / 1,926.89-2,670.27-1,889.97

Finding the Fourth Proportional to 1,926.89, 2,670.27 and 1,889.97

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Solution

The fourth proportional to 1,926.89, 2,670.27 and 1,889.97 is: 2,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.89 : 2,670.27 = 1,889.97 : x
  2. Step 2: Convert to fraction form
    1,926.89/2,670.27 = 1,889.97/x
  3. Step 3: Cross multiply
    1,926.89x = 2,670.27 × 1,889.97
  4. Step 4: Simplify right side
    1,926.89x = 5,046,713.09
  5. Step 5: Solve for x
    x = 5,046,713.09/1,926.89
  6. Step 6: Final answer
    x = 2,619.10

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.