Home / 2,716.40-3,748.86-1,537.85

Finding the Fourth Proportional to 2,716.40, 3,748.86 and 1,537.85

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Solution

The fourth proportional to 2,716.40, 3,748.86 and 1,537.85 is: 2,122.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.40 : 3,748.86 = 1,537.85 : x
  2. Step 2: Convert to fraction form
    2,716.40/3,748.86 = 1,537.85/x
  3. Step 3: Cross multiply
    2,716.40x = 3,748.86 × 1,537.85
  4. Step 4: Simplify right side
    2,716.40x = 5,765,165.61
  5. Step 5: Solve for x
    x = 5,765,165.61/2,716.40
  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.