Home / 3,103.86-4,650.31-3,027.32

Finding the Fourth Proportional to 3,103.86, 4,650.31 and 3,027.32

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Solution

The fourth proportional to 3,103.86, 4,650.31 and 3,027.32 is: 4,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.86 : 4,650.31 = 3,027.32 : x
  2. Step 2: Convert to fraction form
    3,103.86/4,650.31 = 3,027.32/x
  3. Step 3: Cross multiply
    3,103.86x = 4,650.31 × 3,027.32
  4. Step 4: Simplify right side
    3,103.86x = 14,077,976.47
  5. Step 5: Solve for x
    x = 14,077,976.47/3,103.86
  6. Step 6: Final answer
    x = 4,535.64

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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.