Home / 3,221.37-4,441.64-2,691.02

Finding the Fourth Proportional to 3,221.37, 4,441.64 and 2,691.02

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Solution

The fourth proportional to 3,221.37, 4,441.64 and 2,691.02 is: 3,710.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.37 : 4,441.64 = 2,691.02 : x
  2. Step 2: Convert to fraction form
    3,221.37/4,441.64 = 2,691.02/x
  3. Step 3: Cross multiply
    3,221.37x = 4,441.64 × 2,691.02
  4. Step 4: Simplify right side
    3,221.37x = 11,952,539.72
  5. Step 5: Solve for x
    x = 11,952,539.72/3,221.37
  6. Step 6: Final answer
    x = 3,710.39

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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.