Home / 3,250.11-4,485.20-1,923.78

Finding the Fourth Proportional to 3,250.11, 4,485.20 and 1,923.78

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Solution

The fourth proportional to 3,250.11, 4,485.20 and 1,923.78 is: 2,654.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.11 : 4,485.20 = 1,923.78 : x
  2. Step 2: Convert to fraction form
    3,250.11/4,485.20 = 1,923.78/x
  3. Step 3: Cross multiply
    3,250.11x = 4,485.20 × 1,923.78
  4. Step 4: Simplify right side
    3,250.11x = 8,628,538.06
  5. Step 5: Solve for x
    x = 8,628,538.06/3,250.11
  6. Step 6: Final answer
    x = 2,654.84

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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.