Home / 3,828.52-5,738.78-1,880.04

Finding the Fourth Proportional to 3,828.52, 5,738.78 and 1,880.04

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Solution

The fourth proportional to 3,828.52, 5,738.78 and 1,880.04 is: 2,818.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.52 : 5,738.78 = 1,880.04 : x
  2. Step 2: Convert to fraction form
    3,828.52/5,738.78 = 1,880.04/x
  3. Step 3: Cross multiply
    3,828.52x = 5,738.78 × 1,880.04
  4. Step 4: Simplify right side
    3,828.52x = 10,789,135.95
  5. Step 5: Solve for x
    x = 10,789,135.95/3,828.52
  6. Step 6: Final answer
    x = 2,818.10

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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.