Home / 3,827.76-5,738.14-1,489.36

Finding the Fourth Proportional to 3,827.76, 5,738.14 and 1,489.36

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Solution

The fourth proportional to 3,827.76, 5,738.14 and 1,489.36 is: 2,232.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.76 : 5,738.14 = 1,489.36 : x
  2. Step 2: Convert to fraction form
    3,827.76/5,738.14 = 1,489.36/x
  3. Step 3: Cross multiply
    3,827.76x = 5,738.14 × 1,489.36
  4. Step 4: Simplify right side
    3,827.76x = 8,546,156.19
  5. Step 5: Solve for x
    x = 8,546,156.19/3,827.76
  6. Step 6: Final answer
    x = 2,232.68

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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.