Home / 2,980.24-4,110.70-1,799.28

Finding the Fourth Proportional to 2,980.24, 4,110.70 and 1,799.28

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Solution

The fourth proportional to 2,980.24, 4,110.70 and 1,799.28 is: 2,481.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.24 : 4,110.70 = 1,799.28 : x
  2. Step 2: Convert to fraction form
    2,980.24/4,110.70 = 1,799.28/x
  3. Step 3: Cross multiply
    2,980.24x = 4,110.70 × 1,799.28
  4. Step 4: Simplify right side
    2,980.24x = 7,396,300.30
  5. Step 5: Solve for x
    x = 7,396,300.30/2,980.24
  6. Step 6: Final answer
    x = 2,481.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.