Home / 3,725.68-5,591.76-2,428.96

Finding the Fourth Proportional to 3,725.68, 5,591.76 and 2,428.96

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Solution

The fourth proportional to 3,725.68, 5,591.76 and 2,428.96 is: 3,645.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.68 : 5,591.76 = 2,428.96 : x
  2. Step 2: Convert to fraction form
    3,725.68/5,591.76 = 2,428.96/x
  3. Step 3: Cross multiply
    3,725.68x = 5,591.76 × 2,428.96
  4. Step 4: Simplify right side
    3,725.68x = 13,582,161.37
  5. Step 5: Solve for x
    x = 13,582,161.37/3,725.68
  6. Step 6: Final answer
    x = 3,645.55

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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.