Home / 3,645.36-5,028.75-2,388.53

Finding the Fourth Proportional to 3,645.36, 5,028.75 and 2,388.53

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Solution

The fourth proportional to 3,645.36, 5,028.75 and 2,388.53 is: 3,294.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.36 : 5,028.75 = 2,388.53 : x
  2. Step 2: Convert to fraction form
    3,645.36/5,028.75 = 2,388.53/x
  3. Step 3: Cross multiply
    3,645.36x = 5,028.75 × 2,388.53
  4. Step 4: Simplify right side
    3,645.36x = 12,011,295.09
  5. Step 5: Solve for x
    x = 12,011,295.09/3,645.36
  6. Step 6: Final answer
    x = 3,294.95

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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.