Home / 1,798.08-2,481.26-1,089.91

Finding the Fourth Proportional to 1,798.08, 2,481.26 and 1,089.91

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Solution

The fourth proportional to 1,798.08, 2,481.26 and 1,089.91 is: 1,504.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.08 : 2,481.26 = 1,089.91 : x
  2. Step 2: Convert to fraction form
    1,798.08/2,481.26 = 1,089.91/x
  3. Step 3: Cross multiply
    1,798.08x = 2,481.26 × 1,089.91
  4. Step 4: Simplify right side
    1,798.08x = 2,704,350.09
  5. Step 5: Solve for x
    x = 2,704,350.09/1,798.08
  6. Step 6: Final answer
    x = 1,504.02

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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.