Home / 3,546.42-4,900.80-2,660.69

Finding the Fourth Proportional to 3,546.42, 4,900.80 and 2,660.69

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Solution

The fourth proportional to 3,546.42, 4,900.80 and 2,660.69 is: 3,676.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.42 : 4,900.80 = 2,660.69 : x
  2. Step 2: Convert to fraction form
    3,546.42/4,900.80 = 2,660.69/x
  3. Step 3: Cross multiply
    3,546.42x = 4,900.80 × 2,660.69
  4. Step 4: Simplify right side
    3,546.42x = 13,039,485.05
  5. Step 5: Solve for x
    x = 13,039,485.05/3,546.42
  6. Step 6: Final answer
    x = 3,676.80

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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.