Home / 3,600.21-5,401.05-1,520.22

Finding the Fourth Proportional to 3,600.21, 5,401.05 and 1,520.22

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Solution

The fourth proportional to 3,600.21, 5,401.05 and 1,520.22 is: 2,280.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.21 : 5,401.05 = 1,520.22 : x
  2. Step 2: Convert to fraction form
    3,600.21/5,401.05 = 1,520.22/x
  3. Step 3: Cross multiply
    3,600.21x = 5,401.05 × 1,520.22
  4. Step 4: Simplify right side
    3,600.21x = 8,210,784.23
  5. Step 5: Solve for x
    x = 8,210,784.23/3,600.21
  6. Step 6: Final answer
    x = 2,280.64

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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.