Home / 1,836.68-2,755.30-1,015.32

Finding the Fourth Proportional to 1,836.68, 2,755.30 and 1,015.32

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Solution

The fourth proportional to 1,836.68, 2,755.30 and 1,015.32 is: 1,523.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.68 : 2,755.30 = 1,015.32 : x
  2. Step 2: Convert to fraction form
    1,836.68/2,755.30 = 1,015.32/x
  3. Step 3: Cross multiply
    1,836.68x = 2,755.30 × 1,015.32
  4. Step 4: Simplify right side
    1,836.68x = 2,797,511.20
  5. Step 5: Solve for x
    x = 2,797,511.20/1,836.68
  6. Step 6: Final answer
    x = 1,523.13

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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.