Home / 3,827.75-5,740.90-1,362.56

Finding the Fourth Proportional to 3,827.75, 5,740.90 and 1,362.56

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Solution

The fourth proportional to 3,827.75, 5,740.90 and 1,362.56 is: 2,043.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.75 : 5,740.90 = 1,362.56 : x
  2. Step 2: Convert to fraction form
    3,827.75/5,740.90 = 1,362.56/x
  3. Step 3: Cross multiply
    3,827.75x = 5,740.90 × 1,362.56
  4. Step 4: Simplify right side
    3,827.75x = 7,822,288.59
  5. Step 5: Solve for x
    x = 7,822,288.59/3,827.75
  6. Step 6: Final answer
    x = 2,043.58

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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.