Home / 3,212.75-4,436.11-2,465.53

Finding the Fourth Proportional to 3,212.75, 4,436.11 and 2,465.53

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Solution

The fourth proportional to 3,212.75, 4,436.11 and 2,465.53 is: 3,404.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.75 : 4,436.11 = 2,465.53 : x
  2. Step 2: Convert to fraction form
    3,212.75/4,436.11 = 2,465.53/x
  3. Step 3: Cross multiply
    3,212.75x = 4,436.11 × 2,465.53
  4. Step 4: Simplify right side
    3,212.75x = 10,937,354.28
  5. Step 5: Solve for x
    x = 10,937,354.28/3,212.75
  6. Step 6: Final answer
    x = 3,404.36

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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.