Home / 1,736.51-2,600.10-1,189.76

Finding the Fourth Proportional to 1,736.51, 2,600.10 and 1,189.76

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Solution

The fourth proportional to 1,736.51, 2,600.10 and 1,189.76 is: 1,781.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.51 : 2,600.10 = 1,189.76 : x
  2. Step 2: Convert to fraction form
    1,736.51/2,600.10 = 1,189.76/x
  3. Step 3: Cross multiply
    1,736.51x = 2,600.10 × 1,189.76
  4. Step 4: Simplify right side
    1,736.51x = 3,093,481.98
  5. Step 5: Solve for x
    x = 3,093,481.98/1,736.51
  6. Step 6: Final answer
    x = 1,781.44

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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.