Home / 1,096.21-1,643.05-608.29

Finding the Fourth Proportional to 1,096.21, 1,643.05 and 608.29

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Solution

The fourth proportional to 1,096.21, 1,643.05 and 608.29 is: 911.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096.21 : 1,643.05 = 608.29 : x
  2. Step 2: Convert to fraction form
    1,096.21/1,643.05 = 608.29/x
  3. Step 3: Cross multiply
    1,096.21x = 1,643.05 × 608.29
  4. Step 4: Simplify right side
    1,096.21x = 999,450.88
  5. Step 5: Solve for x
    x = 999,450.88/1,096.21
  6. Step 6: Final answer
    x = 911.73

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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.