Home / 3,417.29-5,120.04-2,668.31

Finding the Fourth Proportional to 3,417.29, 5,120.04 and 2,668.31

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Solution

The fourth proportional to 3,417.29, 5,120.04 and 2,668.31 is: 3,997.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.29 : 5,120.04 = 2,668.31 : x
  2. Step 2: Convert to fraction form
    3,417.29/5,120.04 = 2,668.31/x
  3. Step 3: Cross multiply
    3,417.29x = 5,120.04 × 2,668.31
  4. Step 4: Simplify right side
    3,417.29x = 13,661,857.54
  5. Step 5: Solve for x
    x = 13,661,857.54/3,417.29
  6. Step 6: Final answer
    x = 3,997.86

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1.5x scale

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.