Home / 3,212.24-4,429.37-2,091.11

Finding the Fourth Proportional to 3,212.24, 4,429.37 and 2,091.11

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Solution

The fourth proportional to 3,212.24, 4,429.37 and 2,091.11 is: 2,883.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.24 : 4,429.37 = 2,091.11 : x
  2. Step 2: Convert to fraction form
    3,212.24/4,429.37 = 2,091.11/x
  3. Step 3: Cross multiply
    3,212.24x = 4,429.37 × 2,091.11
  4. Step 4: Simplify right side
    3,212.24x = 9,262,267.30
  5. Step 5: Solve for x
    x = 9,262,267.30/3,212.24
  6. Step 6: Final answer
    x = 2,883.43

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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.