Home / 3,477.12-5,219.52-1,745.28

Finding the Fourth Proportional to 3,477.12, 5,219.52 and 1,745.28

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Solution

The fourth proportional to 3,477.12, 5,219.52 and 1,745.28 is: 2,619.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.12 : 5,219.52 = 1,745.28 : x
  2. Step 2: Convert to fraction form
    3,477.12/5,219.52 = 1,745.28/x
  3. Step 3: Cross multiply
    3,477.12x = 5,219.52 × 1,745.28
  4. Step 4: Simplify right side
    3,477.12x = 9,109,523.87
  5. Step 5: Solve for x
    x = 9,109,523.87/3,477.12
  6. Step 6: Final answer
    x = 2,619.85

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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.