Home / 3,212.94-4,436.37-2,465.72

Finding the Fourth Proportional to 3,212.94, 4,436.37 and 2,465.72

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Solution

The fourth proportional to 3,212.94, 4,436.37 and 2,465.72 is: 3,404.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.94 : 4,436.37 = 2,465.72 : x
  2. Step 2: Convert to fraction form
    3,212.94/4,436.37 = 2,465.72/x
  3. Step 3: Cross multiply
    3,212.94x = 4,436.37 × 2,465.72
  4. Step 4: Simplify right side
    3,212.94x = 10,938,824.05
  5. Step 5: Solve for x
    x = 10,938,824.05/3,212.94
  6. Step 6: Final answer
    x = 3,404.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.