Home / 3,423.14-5,135.61-1,474.88

Finding the Fourth Proportional to 3,423.14, 5,135.61 and 1,474.88

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Solution

The fourth proportional to 3,423.14, 5,135.61 and 1,474.88 is: 2,212.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.14 : 5,135.61 = 1,474.88 : x
  2. Step 2: Convert to fraction form
    3,423.14/5,135.61 = 1,474.88/x
  3. Step 3: Cross multiply
    3,423.14x = 5,135.61 × 1,474.88
  4. Step 4: Simplify right side
    3,423.14x = 7,574,408.48
  5. Step 5: Solve for x
    x = 7,574,408.48/3,423.14
  6. Step 6: Final answer
    x = 2,212.71

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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.