Home / 3,527.40-5,286.24-3,422.28

Finding the Fourth Proportional to 3,527.40, 5,286.24 and 3,422.28

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Solution

The fourth proportional to 3,527.40, 5,286.24 and 3,422.28 is: 5,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527.40 : 5,286.24 = 3,422.28 : x
  2. Step 2: Convert to fraction form
    3,527.40/5,286.24 = 3,422.28/x
  3. Step 3: Cross multiply
    3,527.40x = 5,286.24 × 3,422.28
  4. Step 4: Simplify right side
    3,527.40x = 18,090,993.43
  5. Step 5: Solve for x
    x = 18,090,993.43/3,527.40
  6. Step 6: Final answer
    x = 5,128.70

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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.