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Finding the Fourth Proportional to 3,958.89, 5,463.07 and 2,280.34

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Solution

The fourth proportional to 3,958.89, 5,463.07 and 2,280.34 is: 3,146.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.89 : 5,463.07 = 2,280.34 : x
  2. Step 2: Convert to fraction form
    3,958.89/5,463.07 = 2,280.34/x
  3. Step 3: Cross multiply
    3,958.89x = 5,463.07 × 2,280.34
  4. Step 4: Simplify right side
    3,958.89x = 12,457,657.04
  5. Step 5: Solve for x
    x = 12,457,657.04/3,958.89
  6. Step 6: Final answer
    x = 3,146.76

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.