Home / 2,716.86-3,749.35-1,537.90

Finding the Fourth Proportional to 2,716.86, 3,749.35 and 1,537.90

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Solution

The fourth proportional to 2,716.86, 3,749.35 and 1,537.90 is: 2,122.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.86 : 3,749.35 = 1,537.90 : x
  2. Step 2: Convert to fraction form
    2,716.86/3,749.35 = 1,537.90/x
  3. Step 3: Cross multiply
    2,716.86x = 3,749.35 × 1,537.90
  4. Step 4: Simplify right side
    2,716.86x = 5,766,138.58
  5. Step 5: Solve for x
    x = 5,766,138.58/2,716.86
  6. Step 6: Final answer
    x = 2,122.36

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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.