Home / 3,738.29-5,606.41-1,398.20

Finding the Fourth Proportional to 3,738.29, 5,606.41 and 1,398.20

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Solution

The fourth proportional to 3,738.29, 5,606.41 and 1,398.20 is: 2,096.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.29 : 5,606.41 = 1,398.20 : x
  2. Step 2: Convert to fraction form
    3,738.29/5,606.41 = 1,398.20/x
  3. Step 3: Cross multiply
    3,738.29x = 5,606.41 × 1,398.20
  4. Step 4: Simplify right side
    3,738.29x = 7,838,882.46
  5. Step 5: Solve for x
    x = 7,838,882.46/3,738.29
  6. Step 6: Final answer
    x = 2,096.92

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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.