Home / 3,820.54-5,730.38-1,222.86

Finding the Fourth Proportional to 3,820.54, 5,730.38 and 1,222.86

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Solution

The fourth proportional to 3,820.54, 5,730.38 and 1,222.86 is: 1,834.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.54 : 5,730.38 = 1,222.86 : x
  2. Step 2: Convert to fraction form
    3,820.54/5,730.38 = 1,222.86/x
  3. Step 3: Cross multiply
    3,820.54x = 5,730.38 × 1,222.86
  4. Step 4: Simplify right side
    3,820.54x = 7,007,452.49
  5. Step 5: Solve for x
    x = 7,007,452.49/3,820.54
  6. Step 6: Final answer
    x = 1,834.15

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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.