Home / 3,716.34-5,128.51-2,037.85

Finding the Fourth Proportional to 3,716.34, 5,128.51 and 2,037.85

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Solution

The fourth proportional to 3,716.34, 5,128.51 and 2,037.85 is: 2,812.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.34 : 5,128.51 = 2,037.85 : x
  2. Step 2: Convert to fraction form
    3,716.34/5,128.51 = 2,037.85/x
  3. Step 3: Cross multiply
    3,716.34x = 5,128.51 × 2,037.85
  4. Step 4: Simplify right side
    3,716.34x = 10,451,134.10
  5. Step 5: Solve for x
    x = 10,451,134.10/3,716.34
  6. Step 6: Final answer
    x = 2,812.21

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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.