Home / 4,182.64-5,771.76-2,412.88

Finding the Fourth Proportional to 4,182.64, 5,771.76 and 2,412.88

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Solution

The fourth proportional to 4,182.64, 5,771.76 and 2,412.88 is: 3,329.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.64 : 5,771.76 = 2,412.88 : x
  2. Step 2: Convert to fraction form
    4,182.64/5,771.76 = 2,412.88/x
  3. Step 3: Cross multiply
    4,182.64x = 5,771.76 × 2,412.88
  4. Step 4: Simplify right side
    4,182.64x = 13,926,564.27
  5. Step 5: Solve for x
    x = 13,926,564.27/4,182.64
  6. Step 6: Final answer
    x = 3,329.61

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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.