Home / 3,169.12-4,752.32-1,089.33

Finding the Fourth Proportional to 3,169.12, 4,752.32 and 1,089.33

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Solution

The fourth proportional to 3,169.12, 4,752.32 and 1,089.33 is: 1,633.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.12 : 4,752.32 = 1,089.33 : x
  2. Step 2: Convert to fraction form
    3,169.12/4,752.32 = 1,089.33/x
  3. Step 3: Cross multiply
    3,169.12x = 4,752.32 × 1,089.33
  4. Step 4: Simplify right side
    3,169.12x = 5,176,844.75
  5. Step 5: Solve for x
    x = 5,176,844.75/3,169.12
  6. Step 6: Final answer
    x = 1,633.53

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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.