Home / 3,169.88-4,753.66-1,089.30

Finding the Fourth Proportional to 3,169.88, 4,753.66 and 1,089.30

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Solution

The fourth proportional to 3,169.88, 4,753.66 and 1,089.30 is: 1,633.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.88 : 4,753.66 = 1,089.30 : x
  2. Step 2: Convert to fraction form
    3,169.88/4,753.66 = 1,089.30/x
  3. Step 3: Cross multiply
    3,169.88x = 4,753.66 × 1,089.30
  4. Step 4: Simplify right side
    3,169.88x = 5,178,135.35
  5. Step 5: Solve for x
    x = 5,178,135.35/3,169.88
  6. Step 6: Final answer
    x = 1,633.54

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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.