Home / 3,682.68-5,084.64-2,561.64

Finding the Fourth Proportional to 3,682.68, 5,084.64 and 2,561.64

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Solution

The fourth proportional to 3,682.68, 5,084.64 and 2,561.64 is: 3,536.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.68 : 5,084.64 = 2,561.64 : x
  2. Step 2: Convert to fraction form
    3,682.68/5,084.64 = 2,561.64/x
  3. Step 3: Cross multiply
    3,682.68x = 5,084.64 × 2,561.64
  4. Step 4: Simplify right side
    3,682.68x = 13,025,017.21
  5. Step 5: Solve for x
    x = 13,025,017.21/3,682.68
  6. Step 6: Final answer
    x = 3,536.83

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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.