Home / 1,817.73-2,721.33-1,357.56

Finding the Fourth Proportional to 1,817.73, 2,721.33 and 1,357.56

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Solution

The fourth proportional to 1,817.73, 2,721.33 and 1,357.56 is: 2,032.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.73 : 2,721.33 = 1,357.56 : x
  2. Step 2: Convert to fraction form
    1,817.73/2,721.33 = 1,357.56/x
  3. Step 3: Cross multiply
    1,817.73x = 2,721.33 × 1,357.56
  4. Step 4: Simplify right side
    1,817.73x = 3,694,368.75
  5. Step 5: Solve for x
    x = 3,694,368.75/1,817.73
  6. Step 6: Final answer
    x = 2,032.41

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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.