Home / 3,197.37-4,429.45-3,120.83

Finding the Fourth Proportional to 3,197.37, 4,429.45 and 3,120.83

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Solution

The fourth proportional to 3,197.37, 4,429.45 and 3,120.83 is: 4,323.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.37 : 4,429.45 = 3,120.83 : x
  2. Step 2: Convert to fraction form
    3,197.37/4,429.45 = 3,120.83/x
  3. Step 3: Cross multiply
    3,197.37x = 4,429.45 × 3,120.83
  4. Step 4: Simplify right side
    3,197.37x = 13,823,558.81
  5. Step 5: Solve for x
    x = 13,823,558.81/3,197.37
  6. Step 6: Final answer
    x = 4,323.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.