Home / 2,285.72-3,427.48-968.12

Finding the Fourth Proportional to 2,285.72, 3,427.48 and 968.12

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Solution

The fourth proportional to 2,285.72, 3,427.48 and 968.12 is: 1,451.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.72 : 3,427.48 = 968.12 : x
  2. Step 2: Convert to fraction form
    2,285.72/3,427.48 = 968.12/x
  3. Step 3: Cross multiply
    2,285.72x = 3,427.48 × 968.12
  4. Step 4: Simplify right side
    2,285.72x = 3,318,211.94
  5. Step 5: Solve for x
    x = 3,318,211.94/2,285.72
  6. Step 6: Final answer
    x = 1,451.71

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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.