Home / 2,286.48-3,428.28-1,505.64

Finding the Fourth Proportional to 2,286.48, 3,428.28 and 1,505.64

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Solution

The fourth proportional to 2,286.48, 3,428.28 and 1,505.64 is: 2,257.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.48 : 3,428.28 = 1,505.64 : x
  2. Step 2: Convert to fraction form
    2,286.48/3,428.28 = 1,505.64/x
  3. Step 3: Cross multiply
    2,286.48x = 3,428.28 × 1,505.64
  4. Step 4: Simplify right side
    2,286.48x = 5,161,755.50
  5. Step 5: Solve for x
    x = 5,161,755.50/2,286.48
  6. Step 6: Final answer
    x = 2,257.51

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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.