Home / 2,084.93-3,126.80-623.73

Finding the Fourth Proportional to 2,084.93, 3,126.80 and 623.73

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Solution

The fourth proportional to 2,084.93, 3,126.80 and 623.73 is: 935.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.93 : 3,126.80 = 623.73 : x
  2. Step 2: Convert to fraction form
    2,084.93/3,126.80 = 623.73/x
  3. Step 3: Cross multiply
    2,084.93x = 3,126.80 × 623.73
  4. Step 4: Simplify right side
    2,084.93x = 1,950,278.96
  5. Step 5: Solve for x
    x = 1,950,278.96/2,084.93
  6. Step 6: Final answer
    x = 935.42

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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.