Home / 3,202.40-4,419.36-1,805.24

Finding the Fourth Proportional to 3,202.40, 4,419.36 and 1,805.24

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Solution

The fourth proportional to 3,202.40, 4,419.36 and 1,805.24 is: 2,491.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202.40 : 4,419.36 = 1,805.24 : x
  2. Step 2: Convert to fraction form
    3,202.40/4,419.36 = 1,805.24/x
  3. Step 3: Cross multiply
    3,202.40x = 4,419.36 × 1,805.24
  4. Step 4: Simplify right side
    3,202.40x = 7,978,005.45
  5. Step 5: Solve for x
    x = 7,978,005.45/3,202.40
  6. Step 6: Final answer
    x = 2,491.26

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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.