Home / 3,836.08-5,748.65-1,889.65

Finding the Fourth Proportional to 3,836.08, 5,748.65 and 1,889.65

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Solution

The fourth proportional to 3,836.08, 5,748.65 and 1,889.65 is: 2,831.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.08 : 5,748.65 = 1,889.65 : x
  2. Step 2: Convert to fraction form
    3,836.08/5,748.65 = 1,889.65/x
  3. Step 3: Cross multiply
    3,836.08x = 5,748.65 × 1,889.65
  4. Step 4: Simplify right side
    3,836.08x = 10,862,936.47
  5. Step 5: Solve for x
    x = 10,862,936.47/3,836.08
  6. Step 6: Final answer
    x = 2,831.78

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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.