Home / 3,627.84-5,446.08-2,170.56

Finding the Fourth Proportional to 3,627.84, 5,446.08 and 2,170.56

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Solution

The fourth proportional to 3,627.84, 5,446.08 and 2,170.56 is: 3,258.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.84 : 5,446.08 = 2,170.56 : x
  2. Step 2: Convert to fraction form
    3,627.84/5,446.08 = 2,170.56/x
  3. Step 3: Cross multiply
    3,627.84x = 5,446.08 × 2,170.56
  4. Step 4: Simplify right side
    3,627.84x = 11,821,043.40
  5. Step 5: Solve for x
    x = 11,821,043.40/3,627.84
  6. Step 6: Final answer
    x = 3,258.42

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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.