Home / 1,930.58-2,664.26-1,091.32

Finding the Fourth Proportional to 1,930.58, 2,664.26 and 1,091.32

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Solution

The fourth proportional to 1,930.58, 2,664.26 and 1,091.32 is: 1,506.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.58 : 2,664.26 = 1,091.32 : x
  2. Step 2: Convert to fraction form
    1,930.58/2,664.26 = 1,091.32/x
  3. Step 3: Cross multiply
    1,930.58x = 2,664.26 × 1,091.32
  4. Step 4: Simplify right side
    1,930.58x = 2,907,560.22
  5. Step 5: Solve for x
    x = 2,907,560.22/1,930.58
  6. Step 6: Final answer
    x = 1,506.06

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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.