Home / 3,212.83-4,428.56-2,425.51

Finding the Fourth Proportional to 3,212.83, 4,428.56 and 2,425.51

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Solution

The fourth proportional to 3,212.83, 4,428.56 and 2,425.51 is: 3,343.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.83 : 4,428.56 = 2,425.51 : x
  2. Step 2: Convert to fraction form
    3,212.83/4,428.56 = 2,425.51/x
  3. Step 3: Cross multiply
    3,212.83x = 4,428.56 × 2,425.51
  4. Step 4: Simplify right side
    3,212.83x = 10,741,516.57
  5. Step 5: Solve for x
    x = 10,741,516.57/3,212.83
  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.