Home / 3,954.18-5,455.98-2,382.38

Finding the Fourth Proportional to 3,954.18, 5,455.98 and 2,382.38

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Solution

The fourth proportional to 3,954.18, 5,455.98 and 2,382.38 is: 3,287.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.18 : 5,455.98 = 2,382.38 : x
  2. Step 2: Convert to fraction form
    3,954.18/5,455.98 = 2,382.38/x
  3. Step 3: Cross multiply
    3,954.18x = 5,455.98 × 2,382.38
  4. Step 4: Simplify right side
    3,954.18x = 12,998,190.35
  5. Step 5: Solve for x
    x = 12,998,190.35/3,954.18
  6. Step 6: Final answer
    x = 3,287.20

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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.