Home / 3,682.02-5,515.32-2,220.39

Finding the Fourth Proportional to 3,682.02, 5,515.32 and 2,220.39

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Solution

The fourth proportional to 3,682.02, 5,515.32 and 2,220.39 is: 3,325.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.02 : 5,515.32 = 2,220.39 : x
  2. Step 2: Convert to fraction form
    3,682.02/5,515.32 = 2,220.39/x
  3. Step 3: Cross multiply
    3,682.02x = 5,515.32 × 2,220.39
  4. Step 4: Simplify right side
    3,682.02x = 12,246,161.37
  5. Step 5: Solve for x
    x = 12,246,161.37/3,682.02
  6. Step 6: Final answer
    x = 3,325.94

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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.