Home / 2,810.62-4,209.37-2,221.67

Finding the Fourth Proportional to 2,810.62, 4,209.37 and 2,221.67

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Solution

The fourth proportional to 2,810.62, 4,209.37 and 2,221.67 is: 3,327.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.62 : 4,209.37 = 2,221.67 : x
  2. Step 2: Convert to fraction form
    2,810.62/4,209.37 = 2,221.67/x
  3. Step 3: Cross multiply
    2,810.62x = 4,209.37 × 2,221.67
  4. Step 4: Simplify right side
    2,810.62x = 9,351,833.55
  5. Step 5: Solve for x
    x = 9,351,833.55/2,810.62
  6. Step 6: Final answer
    x = 3,327.32

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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.