Home / 2,083.93-3,122.35-1,821.04

Finding the Fourth Proportional to 2,083.93, 3,122.35 and 1,821.04

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Solution

The fourth proportional to 2,083.93, 3,122.35 and 1,821.04 is: 2,728.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.93 : 3,122.35 = 1,821.04 : x
  2. Step 2: Convert to fraction form
    2,083.93/3,122.35 = 1,821.04/x
  3. Step 3: Cross multiply
    2,083.93x = 3,122.35 × 1,821.04
  4. Step 4: Simplify right side
    2,083.93x = 5,685,911.89
  5. Step 5: Solve for x
    x = 5,685,911.89/2,083.93
  6. Step 6: Final answer
    x = 2,728.46

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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.