Home / 3,289.67-4,531.79-2,816.04

Finding the Fourth Proportional to 3,289.67, 4,531.79 and 2,816.04

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Solution

The fourth proportional to 3,289.67, 4,531.79 and 2,816.04 is: 3,879.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.67 : 4,531.79 = 2,816.04 : x
  2. Step 2: Convert to fraction form
    3,289.67/4,531.79 = 2,816.04/x
  3. Step 3: Cross multiply
    3,289.67x = 4,531.79 × 2,816.04
  4. Step 4: Simplify right side
    3,289.67x = 12,761,725.95
  5. Step 5: Solve for x
    x = 12,761,725.95/3,289.67
  6. Step 6: Final answer
    x = 3,879.33

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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.