Home / 3,179.91-4,764.33-1,720.05

Finding the Fourth Proportional to 3,179.91, 4,764.33 and 1,720.05

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Solution

The fourth proportional to 3,179.91, 4,764.33 and 1,720.05 is: 2,577.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.91 : 4,764.33 = 1,720.05 : x
  2. Step 2: Convert to fraction form
    3,179.91/4,764.33 = 1,720.05/x
  3. Step 3: Cross multiply
    3,179.91x = 4,764.33 × 1,720.05
  4. Step 4: Simplify right side
    3,179.91x = 8,194,885.82
  5. Step 5: Solve for x
    x = 8,194,885.82/3,179.91
  6. Step 6: Final answer
    x = 2,577.08

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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.