Home / 2,631.82-3,949.62-1,536.52

Finding the Fourth Proportional to 2,631.82, 3,949.62 and 1,536.52

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Solution

The fourth proportional to 2,631.82, 3,949.62 and 1,536.52 is: 2,305.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.82 : 3,949.62 = 1,536.52 : x
  2. Step 2: Convert to fraction form
    2,631.82/3,949.62 = 1,536.52/x
  3. Step 3: Cross multiply
    2,631.82x = 3,949.62 × 1,536.52
  4. Step 4: Simplify right side
    2,631.82x = 6,068,670.12
  5. Step 5: Solve for x
    x = 6,068,670.12/2,631.82
  6. Step 6: Final answer
    x = 2,305.88

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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.