Home / 1,823.22-2,736.64-1,805.40

Finding the Fourth Proportional to 1,823.22, 2,736.64 and 1,805.40

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Solution

The fourth proportional to 1,823.22, 2,736.64 and 1,805.40 is: 2,709.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.22 : 2,736.64 = 1,805.40 : x
  2. Step 2: Convert to fraction form
    1,823.22/2,736.64 = 1,805.40/x
  3. Step 3: Cross multiply
    1,823.22x = 2,736.64 × 1,805.40
  4. Step 4: Simplify right side
    1,823.22x = 4,940,729.86
  5. Step 5: Solve for x
    x = 4,940,729.86/1,823.22
  6. Step 6: Final answer
    x = 2,709.89

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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.