Home / 3,202.50-4,419.60-1,805.25

Finding the Fourth Proportional to 3,202.50, 4,419.60 and 1,805.25

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Solution

The fourth proportional to 3,202.50, 4,419.60 and 1,805.25 is: 2,491.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202.50 : 4,419.60 = 1,805.25 : x
  2. Step 2: Convert to fraction form
    3,202.50/4,419.60 = 1,805.25/x
  3. Step 3: Cross multiply
    3,202.50x = 4,419.60 × 1,805.25
  4. Step 4: Simplify right side
    3,202.50x = 7,978,482.90
  5. Step 5: Solve for x
    x = 7,978,482.90/3,202.50
  6. Step 6: Final answer
    x = 2,491.33

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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.