Home / 3,639.41-5,021.87-2,045.84

Finding the Fourth Proportional to 3,639.41, 5,021.87 and 2,045.84

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Solution

The fourth proportional to 3,639.41, 5,021.87 and 2,045.84 is: 2,822.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.41 : 5,021.87 = 2,045.84 : x
  2. Step 2: Convert to fraction form
    3,639.41/5,021.87 = 2,045.84/x
  3. Step 3: Cross multiply
    3,639.41x = 5,021.87 × 2,045.84
  4. Step 4: Simplify right side
    3,639.41x = 10,273,922.53
  5. Step 5: Solve for x
    x = 10,273,922.53/3,639.41
  6. Step 6: Final answer
    x = 2,822.97

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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.