Home / 3,968.54-5,476.52-2,289.96

Finding the Fourth Proportional to 3,968.54, 5,476.52 and 2,289.96

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Solution

The fourth proportional to 3,968.54, 5,476.52 and 2,289.96 is: 3,160.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.54 : 5,476.52 = 2,289.96 : x
  2. Step 2: Convert to fraction form
    3,968.54/5,476.52 = 2,289.96/x
  3. Step 3: Cross multiply
    3,968.54x = 5,476.52 × 2,289.96
  4. Step 4: Simplify right side
    3,968.54x = 12,541,011.74
  5. Step 5: Solve for x
    x = 12,541,011.74/3,968.54
  6. Step 6: Final answer
    x = 3,160.11

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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.