Home / 3,212.68-4,428.66-2,512.84

Finding the Fourth Proportional to 3,212.68, 4,428.66 and 2,512.84

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Solution

The fourth proportional to 3,212.68, 4,428.66 and 2,512.84 is: 3,463.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.68 : 4,428.66 = 2,512.84 : x
  2. Step 2: Convert to fraction form
    3,212.68/4,428.66 = 2,512.84/x
  3. Step 3: Cross multiply
    3,212.68x = 4,428.66 × 2,512.84
  4. Step 4: Simplify right side
    3,212.68x = 11,128,513.99
  5. Step 5: Solve for x
    x = 11,128,513.99/3,212.68
  6. Step 6: Final answer
    x = 3,463.93

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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.