Home / 1,930.26-2,663.74-1,102.26

Finding the Fourth Proportional to 1,930.26, 2,663.74 and 1,102.26

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Solution

The fourth proportional to 1,930.26, 2,663.74 and 1,102.26 is: 1,521.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.26 : 2,663.74 = 1,102.26 : x
  2. Step 2: Convert to fraction form
    1,930.26/2,663.74 = 1,102.26/x
  3. Step 3: Cross multiply
    1,930.26x = 2,663.74 × 1,102.26
  4. Step 4: Simplify right side
    1,930.26x = 2,936,134.05
  5. Step 5: Solve for x
    x = 2,936,134.05/1,930.26
  6. Step 6: Final answer
    x = 1,521.11

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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.