Home / 1,889.11-2,606.92-1,049.79

Finding the Fourth Proportional to 1,889.11, 2,606.92 and 1,049.79

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Solution

The fourth proportional to 1,889.11, 2,606.92 and 1,049.79 is: 1,448.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889.11 : 2,606.92 = 1,049.79 : x
  2. Step 2: Convert to fraction form
    1,889.11/2,606.92 = 1,049.79/x
  3. Step 3: Cross multiply
    1,889.11x = 2,606.92 × 1,049.79
  4. Step 4: Simplify right side
    1,889.11x = 2,736,715.92
  5. Step 5: Solve for x
    x = 2,736,715.92/1,889.11
  6. Step 6: Final answer
    x = 1,448.68

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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.