Home / 3,639.54-5,022.21-2,045.82

Finding the Fourth Proportional to 3,639.54, 5,022.21 and 2,045.82

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Solution

The fourth proportional to 3,639.54, 5,022.21 and 2,045.82 is: 2,823.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.54 : 5,022.21 = 2,045.82 : x
  2. Step 2: Convert to fraction form
    3,639.54/5,022.21 = 2,045.82/x
  3. Step 3: Cross multiply
    3,639.54x = 5,022.21 × 2,045.82
  4. Step 4: Simplify right side
    3,639.54x = 10,274,537.66
  5. Step 5: Solve for x
    x = 10,274,537.66/3,639.54
  6. Step 6: Final answer
    x = 2,823.03

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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.