Home / 1,809.89-2,718.19-1,083.93

Finding the Fourth Proportional to 1,809.89, 2,718.19 and 1,083.93

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Solution

The fourth proportional to 1,809.89, 2,718.19 and 1,083.93 is: 1,627.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809.89 : 2,718.19 = 1,083.93 : x
  2. Step 2: Convert to fraction form
    1,809.89/2,718.19 = 1,083.93/x
  3. Step 3: Cross multiply
    1,809.89x = 2,718.19 × 1,083.93
  4. Step 4: Simplify right side
    1,809.89x = 2,946,324.98
  5. Step 5: Solve for x
    x = 2,946,324.98/1,809.89
  6. Step 6: Final answer
    x = 1,627.90

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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.