Home / 3,822.76-5,732.70-1,357.48

Finding the Fourth Proportional to 3,822.76, 5,732.70 and 1,357.48

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Solution

The fourth proportional to 3,822.76, 5,732.70 and 1,357.48 is: 2,035.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.76 : 5,732.70 = 1,357.48 : x
  2. Step 2: Convert to fraction form
    3,822.76/5,732.70 = 1,357.48/x
  3. Step 3: Cross multiply
    3,822.76x = 5,732.70 × 1,357.48
  4. Step 4: Simplify right side
    3,822.76x = 7,782,025.60
  5. Step 5: Solve for x
    x = 7,782,025.60/3,822.76
  6. Step 6: Final answer
    x = 2,035.71

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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.