Home / 1,889.28-2,606.91-1,049.97

Finding the Fourth Proportional to 1,889.28, 2,606.91 and 1,049.97

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Solution

The fourth proportional to 1,889.28, 2,606.91 and 1,049.97 is: 1,448.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889.28 : 2,606.91 = 1,049.97 : x
  2. Step 2: Convert to fraction form
    1,889.28/2,606.91 = 1,049.97/x
  3. Step 3: Cross multiply
    1,889.28x = 2,606.91 × 1,049.97
  4. Step 4: Simplify right side
    1,889.28x = 2,737,177.29
  5. Step 5: Solve for x
    x = 2,737,177.29/1,889.28
  6. Step 6: Final answer
    x = 1,448.79

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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.