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Finding the Fourth Proportional to 1,717.86, 2,571.92 and 1,693.56

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Solution

The fourth proportional to 1,717.86, 2,571.92 and 1,693.56 is: 2,535.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.86 : 2,571.92 = 1,693.56 : x
  2. Step 2: Convert to fraction form
    1,717.86/2,571.92 = 1,693.56/x
  3. Step 3: Cross multiply
    1,717.86x = 2,571.92 × 1,693.56
  4. Step 4: Simplify right side
    1,717.86x = 4,355,700.84
  5. Step 5: Solve for x
    x = 4,355,700.84/1,717.86
  6. Step 6: Final answer
    x = 2,535.54

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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.