Home / 3,716.55-5,568.80-1,961.46

Finding the Fourth Proportional to 3,716.55, 5,568.80 and 1,961.46

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Solution

The fourth proportional to 3,716.55, 5,568.80 and 1,961.46 is: 2,939.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.55 : 5,568.80 = 1,961.46 : x
  2. Step 2: Convert to fraction form
    3,716.55/5,568.80 = 1,961.46/x
  3. Step 3: Cross multiply
    3,716.55x = 5,568.80 × 1,961.46
  4. Step 4: Simplify right side
    3,716.55x = 10,922,968.64
  5. Step 5: Solve for x
    x = 10,922,968.64/3,716.55
  6. Step 6: Final answer
    x = 2,939.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.