Home / 1,923.07-2,653.80-1,083.79

Finding the Fourth Proportional to 1,923.07, 2,653.80 and 1,083.79

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Solution

The fourth proportional to 1,923.07, 2,653.80 and 1,083.79 is: 1,495.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.07 : 2,653.80 = 1,083.79 : x
  2. Step 2: Convert to fraction form
    1,923.07/2,653.80 = 1,083.79/x
  3. Step 3: Cross multiply
    1,923.07x = 2,653.80 × 1,083.79
  4. Step 4: Simplify right side
    1,923.07x = 2,876,161.90
  5. Step 5: Solve for x
    x = 2,876,161.90/1,923.07
  6. Step 6: Final answer
    x = 1,495.61

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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.