Home / 3,206.94-4,422.11-2,783.67

Finding the Fourth Proportional to 3,206.94, 4,422.11 and 2,783.67

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Solution

The fourth proportional to 3,206.94, 4,422.11 and 2,783.67 is: 3,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.94 : 4,422.11 = 2,783.67 : x
  2. Step 2: Convert to fraction form
    3,206.94/4,422.11 = 2,783.67/x
  3. Step 3: Cross multiply
    3,206.94x = 4,422.11 × 2,783.67
  4. Step 4: Simplify right side
    3,206.94x = 12,309,680.10
  5. Step 5: Solve for x
    x = 12,309,680.10/3,206.94
  6. Step 6: Final answer
    x = 3,838.45

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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.