Home / 3,334.20-4,998.28-1,689.88

Finding the Fourth Proportional to 3,334.20, 4,998.28 and 1,689.88

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Solution

The fourth proportional to 3,334.20, 4,998.28 and 1,689.88 is: 2,533.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,334.20 : 4,998.28 = 1,689.88 : x
  2. Step 2: Convert to fraction form
    3,334.20/4,998.28 = 1,689.88/x
  3. Step 3: Cross multiply
    3,334.20x = 4,998.28 × 1,689.88
  4. Step 4: Simplify right side
    3,334.20x = 8,446,493.41
  5. Step 5: Solve for x
    x = 8,446,493.41/3,334.20
  6. Step 6: Final answer
    x = 2,533.29

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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.