Home / 1,841.90-2,759.31-1,020.56

Finding the Fourth Proportional to 1,841.90, 2,759.31 and 1,020.56

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Solution

The fourth proportional to 1,841.90, 2,759.31 and 1,020.56 is: 1,528.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.90 : 2,759.31 = 1,020.56 : x
  2. Step 2: Convert to fraction form
    1,841.90/2,759.31 = 1,020.56/x
  3. Step 3: Cross multiply
    1,841.90x = 2,759.31 × 1,020.56
  4. Step 4: Simplify right side
    1,841.90x = 2,816,027.62
  5. Step 5: Solve for x
    x = 2,816,027.62/1,841.90
  6. Step 6: Final answer
    x = 1,528.88

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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.