Home / 1,755.80-2,422.68-1,126.44

Finding the Fourth Proportional to 1,755.80, 2,422.68 and 1,126.44

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Solution

The fourth proportional to 1,755.80, 2,422.68 and 1,126.44 is: 1,554.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.80 : 2,422.68 = 1,126.44 : x
  2. Step 2: Convert to fraction form
    1,755.80/2,422.68 = 1,126.44/x
  3. Step 3: Cross multiply
    1,755.80x = 2,422.68 × 1,126.44
  4. Step 4: Simplify right side
    1,755.80x = 2,729,003.66
  5. Step 5: Solve for x
    x = 2,729,003.66/1,755.80
  6. Step 6: Final answer
    x = 1,554.28

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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.