Home / 1,842.80-2,759.94-1,110.76

Finding the Fourth Proportional to 1,842.80, 2,759.94 and 1,110.76

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Solution

The fourth proportional to 1,842.80, 2,759.94 and 1,110.76 is: 1,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.80 : 2,759.94 = 1,110.76 : x
  2. Step 2: Convert to fraction form
    1,842.80/2,759.94 = 1,110.76/x
  3. Step 3: Cross multiply
    1,842.80x = 2,759.94 × 1,110.76
  4. Step 4: Simplify right side
    1,842.80x = 3,065,624.05
  5. Step 5: Solve for x
    x = 3,065,624.05/1,842.80
  6. Step 6: Final answer
    x = 1,663.57

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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.