Home / 3,450.63-5,179.18-1,808.35

Finding the Fourth Proportional to 3,450.63, 5,179.18 and 1,808.35

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Solution

The fourth proportional to 3,450.63, 5,179.18 and 1,808.35 is: 2,714.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.63 : 5,179.18 = 1,808.35 : x
  2. Step 2: Convert to fraction form
    3,450.63/5,179.18 = 1,808.35/x
  3. Step 3: Cross multiply
    3,450.63x = 5,179.18 × 1,808.35
  4. Step 4: Simplify right side
    3,450.63x = 9,365,770.15
  5. Step 5: Solve for x
    x = 9,365,770.15/3,450.63
  6. Step 6: Final answer
    x = 2,714.22

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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.