Home / 2,286.24-3,428.16-725.76

Finding the Fourth Proportional to 2,286.24, 3,428.16 and 725.76

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Solution

The fourth proportional to 2,286.24, 3,428.16 and 725.76 is: 1,088.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.24 : 3,428.16 = 725.76 : x
  2. Step 2: Convert to fraction form
    2,286.24/3,428.16 = 725.76/x
  3. Step 3: Cross multiply
    2,286.24x = 3,428.16 × 725.76
  4. Step 4: Simplify right side
    2,286.24x = 2,488,021.40
  5. Step 5: Solve for x
    x = 2,488,021.40/2,286.24
  6. Step 6: Final answer
    x = 1,088.26

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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.