Home / 3,423.89-5,134.40-1,450.43

Finding the Fourth Proportional to 3,423.89, 5,134.40 and 1,450.43

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Solution

The fourth proportional to 3,423.89, 5,134.40 and 1,450.43 is: 2,175.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.89 : 5,134.40 = 1,450.43 : x
  2. Step 2: Convert to fraction form
    3,423.89/5,134.40 = 1,450.43/x
  3. Step 3: Cross multiply
    3,423.89x = 5,134.40 × 1,450.43
  4. Step 4: Simplify right side
    3,423.89x = 7,447,087.79
  5. Step 5: Solve for x
    x = 7,447,087.79/3,423.89
  6. Step 6: Final answer
    x = 2,175.04

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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.