Home / 3,960.66-5,463.93-2,281.62

Finding the Fourth Proportional to 3,960.66, 5,463.93 and 2,281.62

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Solution

The fourth proportional to 3,960.66, 5,463.93 and 2,281.62 is: 3,147.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.66 : 5,463.93 = 2,281.62 : x
  2. Step 2: Convert to fraction form
    3,960.66/5,463.93 = 2,281.62/x
  3. Step 3: Cross multiply
    3,960.66x = 5,463.93 × 2,281.62
  4. Step 4: Simplify right side
    3,960.66x = 12,466,611.97
  5. Step 5: Solve for x
    x = 12,466,611.97/3,960.66
  6. Step 6: Final answer
    x = 3,147.61

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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.