Home / 1,747.09-2,411.31-1,083.79

Finding the Fourth Proportional to 1,747.09, 2,411.31 and 1,083.79

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Solution

The fourth proportional to 1,747.09, 2,411.31 and 1,083.79 is: 1,495.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.09 : 2,411.31 = 1,083.79 : x
  2. Step 2: Convert to fraction form
    1,747.09/2,411.31 = 1,083.79/x
  3. Step 3: Cross multiply
    1,747.09x = 2,411.31 × 1,083.79
  4. Step 4: Simplify right side
    1,747.09x = 2,613,353.66
  5. Step 5: Solve for x
    x = 2,613,353.66/1,747.09
  6. Step 6: Final answer
    x = 1,495.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.