Home / 2,084.24-3,126.84-623.54

Finding the Fourth Proportional to 2,084.24, 3,126.84 and 623.54

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Solution

The fourth proportional to 2,084.24, 3,126.84 and 623.54 is: 935.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.24 : 3,126.84 = 623.54 : x
  2. Step 2: Convert to fraction form
    2,084.24/3,126.84 = 623.54/x
  3. Step 3: Cross multiply
    2,084.24x = 3,126.84 × 623.54
  4. Step 4: Simplify right side
    2,084.24x = 1,949,709.81
  5. Step 5: Solve for x
    x = 1,949,709.81/2,084.24
  6. Step 6: Final answer
    x = 935.45

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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.