Home / 3,660.87-5,052.66-2,168.85

Finding the Fourth Proportional to 3,660.87, 5,052.66 and 2,168.85

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Solution

The fourth proportional to 3,660.87, 5,052.66 and 2,168.85 is: 2,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.87 : 5,052.66 = 2,168.85 : x
  2. Step 2: Convert to fraction form
    3,660.87/5,052.66 = 2,168.85/x
  3. Step 3: Cross multiply
    3,660.87x = 5,052.66 × 2,168.85
  4. Step 4: Simplify right side
    3,660.87x = 10,958,461.64
  5. Step 5: Solve for x
    x = 10,958,461.64/3,660.87
  6. Step 6: Final answer
    x = 2,993.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.