Home / 1,930.88-2,883.28-1,910.54

Finding the Fourth Proportional to 1,930.88, 2,883.28 and 1,910.54

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Solution

The fourth proportional to 1,930.88, 2,883.28 and 1,910.54 is: 2,852.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.88 : 2,883.28 = 1,910.54 : x
  2. Step 2: Convert to fraction form
    1,930.88/2,883.28 = 1,910.54/x
  3. Step 3: Cross multiply
    1,930.88x = 2,883.28 × 1,910.54
  4. Step 4: Simplify right side
    1,930.88x = 5,508,621.77
  5. Step 5: Solve for x
    x = 5,508,621.77/1,930.88
  6. Step 6: Final answer
    x = 2,852.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.