Home / 2,716.74-3,749.79-1,669.74

Finding the Fourth Proportional to 2,716.74, 3,749.79 and 1,669.74

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Solution

The fourth proportional to 2,716.74, 3,749.79 and 1,669.74 is: 2,304.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.74 : 3,749.79 = 1,669.74 : x
  2. Step 2: Convert to fraction form
    2,716.74/3,749.79 = 1,669.74/x
  3. Step 3: Cross multiply
    2,716.74x = 3,749.79 × 1,669.74
  4. Step 4: Simplify right side
    2,716.74x = 6,261,174.35
  5. Step 5: Solve for x
    x = 6,261,174.35/2,716.74
  6. Step 6: Final answer
    x = 2,304.66

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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.