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Finding the Fourth Proportional to 1,744.66, 2,407.75 and 1,081.96

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Solution

The fourth proportional to 1,744.66, 2,407.75 and 1,081.96 is: 1,493.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,744.66 : 2,407.75 = 1,081.96 : x
  2. Step 2: Convert to fraction form
    1,744.66/2,407.75 = 1,081.96/x
  3. Step 3: Cross multiply
    1,744.66x = 2,407.75 × 1,081.96
  4. Step 4: Simplify right side
    1,744.66x = 2,605,083.51
  5. Step 5: Solve for x
    x = 2,605,083.51/1,744.66
  6. Step 6: Final answer
    x = 1,493.17

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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.