Home / 3,600.35-5,401.27-1,520.36

Finding the Fourth Proportional to 3,600.35, 5,401.27 and 1,520.36

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Solution

The fourth proportional to 3,600.35, 5,401.27 and 1,520.36 is: 2,280.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.35 : 5,401.27 = 1,520.36 : x
  2. Step 2: Convert to fraction form
    3,600.35/5,401.27 = 1,520.36/x
  3. Step 3: Cross multiply
    3,600.35x = 5,401.27 × 1,520.36
  4. Step 4: Simplify right side
    3,600.35x = 8,211,847.85
  5. Step 5: Solve for x
    x = 8,211,847.85/3,600.35
  6. Step 6: Final answer
    x = 2,280.85

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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.