Home / 1,842.05-2,759.18-1,450.19

Finding the Fourth Proportional to 1,842.05, 2,759.18 and 1,450.19

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Solution

The fourth proportional to 1,842.05, 2,759.18 and 1,450.19 is: 2,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.05 : 2,759.18 = 1,450.19 : x
  2. Step 2: Convert to fraction form
    1,842.05/2,759.18 = 1,450.19/x
  3. Step 3: Cross multiply
    1,842.05x = 2,759.18 × 1,450.19
  4. Step 4: Simplify right side
    1,842.05x = 4,001,314.20
  5. Step 5: Solve for x
    x = 4,001,314.20/1,842.05
  6. Step 6: Final answer
    x = 2,172.21

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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.