Home / 3,716.28-5,128.48-2,037.75

Finding the Fourth Proportional to 3,716.28, 5,128.48 and 2,037.75

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Solution

The fourth proportional to 3,716.28, 5,128.48 and 2,037.75 is: 2,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.28 : 5,128.48 = 2,037.75 : x
  2. Step 2: Convert to fraction form
    3,716.28/5,128.48 = 2,037.75/x
  3. Step 3: Cross multiply
    3,716.28x = 5,128.48 × 2,037.75
  4. Step 4: Simplify right side
    3,716.28x = 10,450,560.12
  5. Step 5: Solve for x
    x = 10,450,560.12/3,716.28
  6. Step 6: Final answer
    x = 2,812.10

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1.5x scale

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.