Home / 3,118.20-4,679.73-1,170.96

Finding the Fourth Proportional to 3,118.20, 4,679.73 and 1,170.96

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Solution

The fourth proportional to 3,118.20, 4,679.73 and 1,170.96 is: 1,757.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.20 : 4,679.73 = 1,170.96 : x
  2. Step 2: Convert to fraction form
    3,118.20/4,679.73 = 1,170.96/x
  3. Step 3: Cross multiply
    3,118.20x = 4,679.73 × 1,170.96
  4. Step 4: Simplify right side
    3,118.20x = 5,479,776.64
  5. Step 5: Solve for x
    x = 5,479,776.64/3,118.20
  6. Step 6: Final answer
    x = 1,757.35

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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.