Home / 1,837.26-2,755.08-1,142.88

Finding the Fourth Proportional to 1,837.26, 2,755.08 and 1,142.88

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Solution

The fourth proportional to 1,837.26, 2,755.08 and 1,142.88 is: 1,713.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.26 : 2,755.08 = 1,142.88 : x
  2. Step 2: Convert to fraction form
    1,837.26/2,755.08 = 1,142.88/x
  3. Step 3: Cross multiply
    1,837.26x = 2,755.08 × 1,142.88
  4. Step 4: Simplify right side
    1,837.26x = 3,148,725.83
  5. Step 5: Solve for x
    x = 3,148,725.83/1,837.26
  6. Step 6: Final answer
    x = 1,713.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.