Home / 3,957.13-5,928.87-2,622.09

Finding the Fourth Proportional to 3,957.13, 5,928.87 and 2,622.09

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Solution

The fourth proportional to 3,957.13, 5,928.87 and 2,622.09 is: 3,928.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.13 : 5,928.87 = 2,622.09 : x
  2. Step 2: Convert to fraction form
    3,957.13/5,928.87 = 2,622.09/x
  3. Step 3: Cross multiply
    3,957.13x = 5,928.87 × 2,622.09
  4. Step 4: Simplify right side
    3,957.13x = 15,546,030.74
  5. Step 5: Solve for x
    x = 15,546,030.74/3,957.13
  6. Step 6: Final answer
    x = 3,928.62

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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.