Home / 1,922.75-2,653.41-1,083.47

Finding the Fourth Proportional to 1,922.75, 2,653.41 and 1,083.47

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Solution

The fourth proportional to 1,922.75, 2,653.41 and 1,083.47 is: 1,495.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.75 : 2,653.41 = 1,083.47 : x
  2. Step 2: Convert to fraction form
    1,922.75/2,653.41 = 1,083.47/x
  3. Step 3: Cross multiply
    1,922.75x = 2,653.41 × 1,083.47
  4. Step 4: Simplify right side
    1,922.75x = 2,874,891.79
  5. Step 5: Solve for x
    x = 2,874,891.79/1,922.75
  6. Step 6: Final answer
    x = 1,495.19

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1.5x scale

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.