Home / 3,677.21-5,512.36-2,196.84

Finding the Fourth Proportional to 3,677.21, 5,512.36 and 2,196.84

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Solution

The fourth proportional to 3,677.21, 5,512.36 and 2,196.84 is: 3,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.21 : 5,512.36 = 2,196.84 : x
  2. Step 2: Convert to fraction form
    3,677.21/5,512.36 = 2,196.84/x
  3. Step 3: Cross multiply
    3,677.21x = 5,512.36 × 2,196.84
  4. Step 4: Simplify right side
    3,677.21x = 12,109,772.94
  5. Step 5: Solve for x
    x = 12,109,772.94/3,677.21
  6. Step 6: Final answer
    x = 3,293.20

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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.