Home / 3,169.24-4,754.31-1,089.76

Finding the Fourth Proportional to 3,169.24, 4,754.31 and 1,089.76

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Solution

The fourth proportional to 3,169.24, 4,754.31 and 1,089.76 is: 1,634.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.24 : 4,754.31 = 1,089.76 : x
  2. Step 2: Convert to fraction form
    3,169.24/4,754.31 = 1,089.76/x
  3. Step 3: Cross multiply
    3,169.24x = 4,754.31 × 1,089.76
  4. Step 4: Simplify right side
    3,169.24x = 5,181,056.87
  5. Step 5: Solve for x
    x = 5,181,056.87/3,169.24
  6. Step 6: Final answer
    x = 1,634.79

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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.