Home / 2,717.43-3,749.94-1,538.57

Finding the Fourth Proportional to 2,717.43, 3,749.94 and 1,538.57

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Solution

The fourth proportional to 2,717.43, 3,749.94 and 1,538.57 is: 2,123.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.43 : 3,749.94 = 1,538.57 : x
  2. Step 2: Convert to fraction form
    2,717.43/3,749.94 = 1,538.57/x
  3. Step 3: Cross multiply
    2,717.43x = 3,749.94 × 1,538.57
  4. Step 4: Simplify right side
    2,717.43x = 5,769,526.44
  5. Step 5: Solve for x
    x = 5,769,526.44/2,717.43
  6. Step 6: Final answer
    x = 2,123.16

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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.