Home / 1,798.03-2,481.31-1,089.85

Finding the Fourth Proportional to 1,798.03, 2,481.31 and 1,089.85

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Solution

The fourth proportional to 1,798.03, 2,481.31 and 1,089.85 is: 1,504.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.03 : 2,481.31 = 1,089.85 : x
  2. Step 2: Convert to fraction form
    1,798.03/2,481.31 = 1,089.85/x
  3. Step 3: Cross multiply
    1,798.03x = 2,481.31 × 1,089.85
  4. Step 4: Simplify right side
    1,798.03x = 2,704,255.70
  5. Step 5: Solve for x
    x = 2,704,255.70/1,798.03
  6. Step 6: Final answer
    x = 1,504.01

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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.