Home / 2,716.38-3,748.79-1,537.45

Finding the Fourth Proportional to 2,716.38, 3,748.79 and 1,537.45

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Solution

The fourth proportional to 2,716.38, 3,748.79 and 1,537.45 is: 2,121.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.38 : 3,748.79 = 1,537.45 : x
  2. Step 2: Convert to fraction form
    2,716.38/3,748.79 = 1,537.45/x
  3. Step 3: Cross multiply
    2,716.38x = 3,748.79 × 1,537.45
  4. Step 4: Simplify right side
    2,716.38x = 5,763,577.19
  5. Step 5: Solve for x
    x = 5,763,577.19/2,716.38
  6. Step 6: Final answer
    x = 2,121.79

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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.