Home / 3,477.78-5,216.44-1,629.31

Finding the Fourth Proportional to 3,477.78, 5,216.44 and 1,629.31

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Solution

The fourth proportional to 3,477.78, 5,216.44 and 1,629.31 is: 2,443.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.78 : 5,216.44 = 1,629.31 : x
  2. Step 2: Convert to fraction form
    3,477.78/5,216.44 = 1,629.31/x
  3. Step 3: Cross multiply
    3,477.78x = 5,216.44 × 1,629.31
  4. Step 4: Simplify right side
    3,477.78x = 8,499,197.86
  5. Step 5: Solve for x
    x = 8,499,197.86/3,477.78
  6. Step 6: Final answer
    x = 2,443.86

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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.