Home / 2,135.67-3,204.90-966.30

Finding the Fourth Proportional to 2,135.67, 3,204.90 and 966.30

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Solution

The fourth proportional to 2,135.67, 3,204.90 and 966.30 is: 1,450.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.67 : 3,204.90 = 966.30 : x
  2. Step 2: Convert to fraction form
    2,135.67/3,204.90 = 966.30/x
  3. Step 3: Cross multiply
    2,135.67x = 3,204.90 × 966.30
  4. Step 4: Simplify right side
    2,135.67x = 3,096,894.87
  5. Step 5: Solve for x
    x = 3,096,894.87/2,135.67
  6. Step 6: Final answer
    x = 1,450.08

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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.