Home / 3,212.84-4,428.56-2,425.52

Finding the Fourth Proportional to 3,212.84, 4,428.56 and 2,425.52

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Solution

The fourth proportional to 3,212.84, 4,428.56 and 2,425.52 is: 3,343.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.84 : 4,428.56 = 2,425.52 : x
  2. Step 2: Convert to fraction form
    3,212.84/4,428.56 = 2,425.52/x
  3. Step 3: Cross multiply
    3,212.84x = 4,428.56 × 2,425.52
  4. Step 4: Simplify right side
    3,212.84x = 10,741,526.58
  5. Step 5: Solve for x
    x = 10,741,526.58/3,212.84
  6. Step 6: Final answer
    x = 3,343.32

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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.