Home / 1,943.09-2,680.86-1,755.98

Finding the Fourth Proportional to 1,943.09, 2,680.86 and 1,755.98

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Solution

The fourth proportional to 1,943.09, 2,680.86 and 1,755.98 is: 2,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.09 : 2,680.86 = 1,755.98 : x
  2. Step 2: Convert to fraction form
    1,943.09/2,680.86 = 1,755.98/x
  3. Step 3: Cross multiply
    1,943.09x = 2,680.86 × 1,755.98
  4. Step 4: Simplify right side
    1,943.09x = 4,707,523.14
  5. Step 5: Solve for x
    x = 4,707,523.14/1,943.09
  6. Step 6: Final answer
    x = 2,422.71

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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.