Home / 1,836.72-2,536.08-1,443

Finding the Fourth Proportional to 1,836.72, 2,536.08 and 1,443

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Solution

The fourth proportional to 1,836.72, 2,536.08 and 1,443 is: 1,992.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.72 : 2,536.08 = 1,443 : x
  2. Step 2: Convert to fraction form
    1,836.72/2,536.08 = 1,443/x
  3. Step 3: Cross multiply
    1,836.72x = 2,536.08 × 1,443
  4. Step 4: Simplify right side
    1,836.72x = 3,659,563.44
  5. Step 5: Solve for x
    x = 3,659,563.44/1,836.72
  6. Step 6: Final answer
    x = 1,992.44

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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.