Home / 3,651.14-5,037.36-2,078.90

Finding the Fourth Proportional to 3,651.14, 5,037.36 and 2,078.90

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Solution

The fourth proportional to 3,651.14, 5,037.36 and 2,078.90 is: 2,868.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.14 : 5,037.36 = 2,078.90 : x
  2. Step 2: Convert to fraction form
    3,651.14/5,037.36 = 2,078.90/x
  3. Step 3: Cross multiply
    3,651.14x = 5,037.36 × 2,078.90
  4. Step 4: Simplify right side
    3,651.14x = 10,472,167.70
  5. Step 5: Solve for x
    x = 10,472,167.70/3,651.14
  6. Step 6: Final answer
    x = 2,868.19

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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.