Home / 3,551.05-5,322.12-2,086.57

Finding the Fourth Proportional to 3,551.05, 5,322.12 and 2,086.57

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Solution

The fourth proportional to 3,551.05, 5,322.12 and 2,086.57 is: 3,127.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.05 : 5,322.12 = 2,086.57 : x
  2. Step 2: Convert to fraction form
    3,551.05/5,322.12 = 2,086.57/x
  3. Step 3: Cross multiply
    3,551.05x = 5,322.12 × 2,086.57
  4. Step 4: Simplify right side
    3,551.05x = 11,104,975.93
  5. Step 5: Solve for x
    x = 11,104,975.93/3,551.05
  6. Step 6: Final answer
    x = 3,127.24

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1.5x scale

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.