Home / 3,621.53-5,401.85-3,289.33

Finding the Fourth Proportional to 3,621.53, 5,401.85 and 3,289.33

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Solution

The fourth proportional to 3,621.53, 5,401.85 and 3,289.33 is: 4,906.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.53 : 5,401.85 = 3,289.33 : x
  2. Step 2: Convert to fraction form
    3,621.53/5,401.85 = 3,289.33/x
  3. Step 3: Cross multiply
    3,621.53x = 5,401.85 × 3,289.33
  4. Step 4: Simplify right side
    3,621.53x = 17,768,467.26
  5. Step 5: Solve for x
    x = 17,768,467.26/3,621.53
  6. Step 6: Final answer
    x = 4,906.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.