Home / 1,922.66-2,653.65-1,258.37

Finding the Fourth Proportional to 1,922.66, 2,653.65 and 1,258.37

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Solution

The fourth proportional to 1,922.66, 2,653.65 and 1,258.37 is: 1,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.66 : 2,653.65 = 1,258.37 : x
  2. Step 2: Convert to fraction form
    1,922.66/2,653.65 = 1,258.37/x
  3. Step 3: Cross multiply
    1,922.66x = 2,653.65 × 1,258.37
  4. Step 4: Simplify right side
    1,922.66x = 3,339,260.28
  5. Step 5: Solve for x
    x = 3,339,260.28/1,922.66
  6. Step 6: Final answer
    x = 1,736.80

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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.