Home / 3,645.12-5,028.66-2,248.68

Finding the Fourth Proportional to 3,645.12, 5,028.66 and 2,248.68

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Solution

The fourth proportional to 3,645.12, 5,028.66 and 2,248.68 is: 3,102.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.12 : 5,028.66 = 2,248.68 : x
  2. Step 2: Convert to fraction form
    3,645.12/5,028.66 = 2,248.68/x
  3. Step 3: Cross multiply
    3,645.12x = 5,028.66 × 2,248.68
  4. Step 4: Simplify right side
    3,645.12x = 11,307,847.17
  5. Step 5: Solve for x
    x = 11,307,847.17/3,645.12
  6. Step 6: Final answer
    x = 3,102.19

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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.