Home / 2,631.14-3,631.80-1,635.83

Finding the Fourth Proportional to 2,631.14, 3,631.80 and 1,635.83

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Solution

The fourth proportional to 2,631.14, 3,631.80 and 1,635.83 is: 2,257.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.14 : 3,631.80 = 1,635.83 : x
  2. Step 2: Convert to fraction form
    2,631.14/3,631.80 = 1,635.83/x
  3. Step 3: Cross multiply
    2,631.14x = 3,631.80 × 1,635.83
  4. Step 4: Simplify right side
    2,631.14x = 5,940,989.24
  5. Step 5: Solve for x
    x = 5,940,989.24/2,631.14
  6. Step 6: Final answer
    x = 2,257.96

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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.