Home / 1,841.07-2,757.56-1,189.83

Finding the Fourth Proportional to 1,841.07, 2,757.56 and 1,189.83

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Solution

The fourth proportional to 1,841.07, 2,757.56 and 1,189.83 is: 1,782.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.07 : 2,757.56 = 1,189.83 : x
  2. Step 2: Convert to fraction form
    1,841.07/2,757.56 = 1,189.83/x
  3. Step 3: Cross multiply
    1,841.07x = 2,757.56 × 1,189.83
  4. Step 4: Simplify right side
    1,841.07x = 3,281,021.67
  5. Step 5: Solve for x
    x = 3,281,021.67/1,841.07
  6. Step 6: Final answer
    x = 1,782.13

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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.