Home / 3,221.04-4,825.44-2,877.84

Finding the Fourth Proportional to 3,221.04, 4,825.44 and 2,877.84

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Solution

The fourth proportional to 3,221.04, 4,825.44 and 2,877.84 is: 4,311.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.04 : 4,825.44 = 2,877.84 : x
  2. Step 2: Convert to fraction form
    3,221.04/4,825.44 = 2,877.84/x
  3. Step 3: Cross multiply
    3,221.04x = 4,825.44 × 2,877.84
  4. Step 4: Simplify right side
    3,221.04x = 13,886,844.25
  5. Step 5: Solve for x
    x = 13,886,844.25/3,221.04
  6. Step 6: Final answer
    x = 4,311.29

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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.