Home / 2,084.82-3,126.66-623.94

Finding the Fourth Proportional to 2,084.82, 3,126.66 and 623.94

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Solution

The fourth proportional to 2,084.82, 3,126.66 and 623.94 is: 935.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.82 : 3,126.66 = 623.94 : x
  2. Step 2: Convert to fraction form
    2,084.82/3,126.66 = 623.94/x
  3. Step 3: Cross multiply
    2,084.82x = 3,126.66 × 623.94
  4. Step 4: Simplify right side
    2,084.82x = 1,950,848.24
  5. Step 5: Solve for x
    x = 1,950,848.24/2,084.82
  6. Step 6: Final answer
    x = 935.74

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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.