Home / 3,124.37-4,689.83-2,438.57

Finding the Fourth Proportional to 3,124.37, 4,689.83 and 2,438.57

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Solution

The fourth proportional to 3,124.37, 4,689.83 and 2,438.57 is: 3,660.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.37 : 4,689.83 = 2,438.57 : x
  2. Step 2: Convert to fraction form
    3,124.37/4,689.83 = 2,438.57/x
  3. Step 3: Cross multiply
    3,124.37x = 4,689.83 × 2,438.57
  4. Step 4: Simplify right side
    3,124.37x = 11,436,496.56
  5. Step 5: Solve for x
    x = 11,436,496.56/3,124.37
  6. Step 6: Final answer
    x = 3,660.41

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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.