Home / 4,147.84-5,724.08-2,379.61

Finding the Fourth Proportional to 4,147.84, 5,724.08 and 2,379.61

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Solution

The fourth proportional to 4,147.84, 5,724.08 and 2,379.61 is: 3,283.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.84 : 5,724.08 = 2,379.61 : x
  2. Step 2: Convert to fraction form
    4,147.84/5,724.08 = 2,379.61/x
  3. Step 3: Cross multiply
    4,147.84x = 5,724.08 × 2,379.61
  4. Step 4: Simplify right side
    4,147.84x = 13,621,078.01
  5. Step 5: Solve for x
    x = 13,621,078.01/4,147.84
  6. Step 6: Final answer
    x = 3,283.90

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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.