Home / 3,680.57-5,520.84-3,028.67

Finding the Fourth Proportional to 3,680.57, 5,520.84 and 3,028.67

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Solution

The fourth proportional to 3,680.57, 5,520.84 and 3,028.67 is: 4,542.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.57 : 5,520.84 = 3,028.67 : x
  2. Step 2: Convert to fraction form
    3,680.57/5,520.84 = 3,028.67/x
  3. Step 3: Cross multiply
    3,680.57x = 5,520.84 × 3,028.67
  4. Step 4: Simplify right side
    3,680.57x = 16,720,774.88
  5. Step 5: Solve for x
    x = 16,720,774.88/3,680.57
  6. Step 6: Final answer
    x = 4,542.99

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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.