Home / 1,755.26-2,422.28-1,135.34

Finding the Fourth Proportional to 1,755.26, 2,422.28 and 1,135.34

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Solution

The fourth proportional to 1,755.26, 2,422.28 and 1,135.34 is: 1,566.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755.26 : 2,422.28 = 1,135.34 : x
  2. Step 2: Convert to fraction form
    1,755.26/2,422.28 = 1,135.34/x
  3. Step 3: Cross multiply
    1,755.26x = 2,422.28 × 1,135.34
  4. Step 4: Simplify right side
    1,755.26x = 2,750,111.38
  5. Step 5: Solve for x
    x = 2,750,111.38/1,755.26
  6. Step 6: Final answer
    x = 1,566.78

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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.