Home / 3,819.42-5,725.08-2,428.38

Finding the Fourth Proportional to 3,819.42, 5,725.08 and 2,428.38

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Solution

The fourth proportional to 3,819.42, 5,725.08 and 2,428.38 is: 3,640.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.42 : 5,725.08 = 2,428.38 : x
  2. Step 2: Convert to fraction form
    3,819.42/5,725.08 = 2,428.38/x
  3. Step 3: Cross multiply
    3,819.42x = 5,725.08 × 2,428.38
  4. Step 4: Simplify right side
    3,819.42x = 13,902,669.77
  5. Step 5: Solve for x
    x = 13,902,669.77/3,819.42
  6. Step 6: Final answer
    x = 3,640.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.