Home / 1,998.08-2,993.52-1,021.76

Finding the Fourth Proportional to 1,998.08, 2,993.52 and 1,021.76

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Solution

The fourth proportional to 1,998.08, 2,993.52 and 1,021.76 is: 1,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998.08 : 2,993.52 = 1,021.76 : x
  2. Step 2: Convert to fraction form
    1,998.08/2,993.52 = 1,021.76/x
  3. Step 3: Cross multiply
    1,998.08x = 2,993.52 × 1,021.76
  4. Step 4: Simplify right side
    1,998.08x = 3,058,659.00
  5. Step 5: Solve for x
    x = 3,058,659.00/1,998.08
  6. Step 6: Final answer
    x = 1,530.80

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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.