Home / 3,579.21-5,377.86-3,433.41

Finding the Fourth Proportional to 3,579.21, 5,377.86 and 3,433.41

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Solution

The fourth proportional to 3,579.21, 5,377.86 and 3,433.41 is: 5,158.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.21 : 5,377.86 = 3,433.41 : x
  2. Step 2: Convert to fraction form
    3,579.21/5,377.86 = 3,433.41/x
  3. Step 3: Cross multiply
    3,579.21x = 5,377.86 × 3,433.41
  4. Step 4: Simplify right side
    3,579.21x = 18,464,398.30
  5. Step 5: Solve for x
    x = 18,464,398.30/3,579.21
  6. Step 6: Final answer
    x = 5,158.79

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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.