Home / 3,173.37-4,379.77-2,177.83

Finding the Fourth Proportional to 3,173.37, 4,379.77 and 2,177.83

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Solution

The fourth proportional to 3,173.37, 4,379.77 and 2,177.83 is: 3,005.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.37 : 4,379.77 = 2,177.83 : x
  2. Step 2: Convert to fraction form
    3,173.37/4,379.77 = 2,177.83/x
  3. Step 3: Cross multiply
    3,173.37x = 4,379.77 × 2,177.83
  4. Step 4: Simplify right side
    3,173.37x = 9,538,394.50
  5. Step 5: Solve for x
    x = 9,538,394.50/3,173.37
  6. Step 6: Final answer
    x = 3,005.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.