Home / 3,716.09-5,128.23-2,037.51

Finding the Fourth Proportional to 3,716.09, 5,128.23 and 2,037.51

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Solution

The fourth proportional to 3,716.09, 5,128.23 and 2,037.51 is: 2,811.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.09 : 5,128.23 = 2,037.51 : x
  2. Step 2: Convert to fraction form
    3,716.09/5,128.23 = 2,037.51/x
  3. Step 3: Cross multiply
    3,716.09x = 5,128.23 × 2,037.51
  4. Step 4: Simplify right side
    3,716.09x = 10,448,807.76
  5. Step 5: Solve for x
    x = 10,448,807.76/3,716.09
  6. Step 6: Final answer
    x = 2,811.78

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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.