Home / 2,255.08-3,110.64-1,371.49

Finding the Fourth Proportional to 2,255.08, 3,110.64 and 1,371.49

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Solution

The fourth proportional to 2,255.08, 3,110.64 and 1,371.49 is: 1,891.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.08 : 3,110.64 = 1,371.49 : x
  2. Step 2: Convert to fraction form
    2,255.08/3,110.64 = 1,371.49/x
  3. Step 3: Cross multiply
    2,255.08x = 3,110.64 × 1,371.49
  4. Step 4: Simplify right side
    2,255.08x = 4,266,211.65
  5. Step 5: Solve for x
    x = 4,266,211.65/2,255.08
  6. Step 6: Final answer
    x = 1,891.82

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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.