Home / 3,619.25-5,421.11-3,224.91

Finding the Fourth Proportional to 3,619.25, 5,421.11 and 3,224.91

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Solution

The fourth proportional to 3,619.25, 5,421.11 and 3,224.91 is: 4,830.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.25 : 5,421.11 = 3,224.91 : x
  2. Step 2: Convert to fraction form
    3,619.25/5,421.11 = 3,224.91/x
  3. Step 3: Cross multiply
    3,619.25x = 5,421.11 × 3,224.91
  4. Step 4: Simplify right side
    3,619.25x = 17,482,575.73
  5. Step 5: Solve for x
    x = 17,482,575.73/3,619.25
  6. Step 6: Final answer
    x = 4,830.45

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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.