Home / 3,812.80-5,725.50-3,201.52

Finding the Fourth Proportional to 3,812.80, 5,725.50 and 3,201.52

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Solution

The fourth proportional to 3,812.80, 5,725.50 and 3,201.52 is: 4,807.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.80 : 5,725.50 = 3,201.52 : x
  2. Step 2: Convert to fraction form
    3,812.80/5,725.50 = 3,201.52/x
  3. Step 3: Cross multiply
    3,812.80x = 5,725.50 × 3,201.52
  4. Step 4: Simplify right side
    3,812.80x = 18,330,302.76
  5. Step 5: Solve for x
    x = 18,330,302.76/3,812.80
  6. Step 6: Final answer
    x = 4,807.57

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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.