Home / 3,716.16-5,128.28-2,037.56

Finding the Fourth Proportional to 3,716.16, 5,128.28 and 2,037.56

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Solution

The fourth proportional to 3,716.16, 5,128.28 and 2,037.56 is: 2,811.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.16 : 5,128.28 = 2,037.56 : x
  2. Step 2: Convert to fraction form
    3,716.16/5,128.28 = 2,037.56/x
  3. Step 3: Cross multiply
    3,716.16x = 5,128.28 × 2,037.56
  4. Step 4: Simplify right side
    3,716.16x = 10,449,178.20
  5. Step 5: Solve for x
    x = 10,449,178.20/3,716.16
  6. Step 6: Final answer
    x = 2,811.82

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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.