Home / 3,828.08-5,745.24-1,521.20

Finding the Fourth Proportional to 3,828.08, 5,745.24 and 1,521.20

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Solution

The fourth proportional to 3,828.08, 5,745.24 and 1,521.20 is: 2,283.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.08 : 5,745.24 = 1,521.20 : x
  2. Step 2: Convert to fraction form
    3,828.08/5,745.24 = 1,521.20/x
  3. Step 3: Cross multiply
    3,828.08x = 5,745.24 × 1,521.20
  4. Step 4: Simplify right side
    3,828.08x = 8,739,659.09
  5. Step 5: Solve for x
    x = 8,739,659.09/3,828.08
  6. Step 6: Final answer
    x = 2,283.04

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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.