Home / 3,441.12-5,161.68-2,209.11

Finding the Fourth Proportional to 3,441.12, 5,161.68 and 2,209.11

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Solution

The fourth proportional to 3,441.12, 5,161.68 and 2,209.11 is: 3,313.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.12 : 5,161.68 = 2,209.11 : x
  2. Step 2: Convert to fraction form
    3,441.12/5,161.68 = 2,209.11/x
  3. Step 3: Cross multiply
    3,441.12x = 5,161.68 × 2,209.11
  4. Step 4: Simplify right side
    3,441.12x = 11,402,718.90
  5. Step 5: Solve for x
    x = 11,402,718.90/3,441.12
  6. Step 6: Final answer
    x = 3,313.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.