Home / 4,001.20-6,003.24-1,808.80

Finding the Fourth Proportional to 4,001.20, 6,003.24 and 1,808.80

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Solution

The fourth proportional to 4,001.20, 6,003.24 and 1,808.80 is: 2,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.20 : 6,003.24 = 1,808.80 : x
  2. Step 2: Convert to fraction form
    4,001.20/6,003.24 = 1,808.80/x
  3. Step 3: Cross multiply
    4,001.20x = 6,003.24 × 1,808.80
  4. Step 4: Simplify right side
    4,001.20x = 10,858,660.51
  5. Step 5: Solve for x
    x = 10,858,660.51/4,001.20
  6. Step 6: Final answer
    x = 2,713.85

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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.