Home / 1,717.81-2,369.73-1,157.56

Finding the Fourth Proportional to 1,717.81, 2,369.73 and 1,157.56

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Solution

The fourth proportional to 1,717.81, 2,369.73 and 1,157.56 is: 1,596.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.81 : 2,369.73 = 1,157.56 : x
  2. Step 2: Convert to fraction form
    1,717.81/2,369.73 = 1,157.56/x
  3. Step 3: Cross multiply
    1,717.81x = 2,369.73 × 1,157.56
  4. Step 4: Simplify right side
    1,717.81x = 2,743,104.66
  5. Step 5: Solve for x
    x = 2,743,104.66/1,717.81
  6. Step 6: Final answer
    x = 1,596.86

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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.