Home / 3,799.12-5,698.68-1,489.36

Finding the Fourth Proportional to 3,799.12, 5,698.68 and 1,489.36

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Solution

The fourth proportional to 3,799.12, 5,698.68 and 1,489.36 is: 2,234.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,799.12 : 5,698.68 = 1,489.36 : x
  2. Step 2: Convert to fraction form
    3,799.12/5,698.68 = 1,489.36/x
  3. Step 3: Cross multiply
    3,799.12x = 5,698.68 × 1,489.36
  4. Step 4: Simplify right side
    3,799.12x = 8,487,386.04
  5. Step 5: Solve for x
    x = 8,487,386.04/3,799.12
  6. Step 6: Final answer
    x = 2,234.04

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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.