Home / 3,206.31-4,425.92-2,756.37

Finding the Fourth Proportional to 3,206.31, 4,425.92 and 2,756.37

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Solution

The fourth proportional to 3,206.31, 4,425.92 and 2,756.37 is: 3,804.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.31 : 4,425.92 = 2,756.37 : x
  2. Step 2: Convert to fraction form
    3,206.31/4,425.92 = 2,756.37/x
  3. Step 3: Cross multiply
    3,206.31x = 4,425.92 × 2,756.37
  4. Step 4: Simplify right side
    3,206.31x = 12,199,473.11
  5. Step 5: Solve for x
    x = 12,199,473.11/3,206.31
  6. Step 6: Final answer
    x = 3,804.83

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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.