Home / 1,930.34-2,663.97-1,102.34

Finding the Fourth Proportional to 1,930.34, 2,663.97 and 1,102.34

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Solution

The fourth proportional to 1,930.34, 2,663.97 and 1,102.34 is: 1,521.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.34 : 2,663.97 = 1,102.34 : x
  2. Step 2: Convert to fraction form
    1,930.34/2,663.97 = 1,102.34/x
  3. Step 3: Cross multiply
    1,930.34x = 2,663.97 × 1,102.34
  4. Step 4: Simplify right side
    1,930.34x = 2,936,600.69
  5. Step 5: Solve for x
    x = 2,936,600.69/1,930.34
  6. Step 6: Final answer
    x = 1,521.29

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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.