Home / 2,285.12-3,428.03-968.87

Finding the Fourth Proportional to 2,285.12, 3,428.03 and 968.87

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Solution

The fourth proportional to 2,285.12, 3,428.03 and 968.87 is: 1,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.12 : 3,428.03 = 968.87 : x
  2. Step 2: Convert to fraction form
    2,285.12/3,428.03 = 968.87/x
  3. Step 3: Cross multiply
    2,285.12x = 3,428.03 × 968.87
  4. Step 4: Simplify right side
    2,285.12x = 3,321,293.44
  5. Step 5: Solve for x
    x = 3,321,293.44/2,285.12
  6. Step 6: Final answer
    x = 1,453.45

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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.