Home / 3,630.60-5,433.30-2,170.80

Finding the Fourth Proportional to 3,630.60, 5,433.30 and 2,170.80

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Solution

The fourth proportional to 3,630.60, 5,433.30 and 2,170.80 is: 3,248.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.60 : 5,433.30 = 2,170.80 : x
  2. Step 2: Convert to fraction form
    3,630.60/5,433.30 = 2,170.80/x
  3. Step 3: Cross multiply
    3,630.60x = 5,433.30 × 2,170.80
  4. Step 4: Simplify right side
    3,630.60x = 11,794,607.64
  5. Step 5: Solve for x
    x = 11,794,607.64/3,630.60
  6. Step 6: Final answer
    x = 3,248.67

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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.