Home / 3,192.32-4,405.92-2,668.16

Finding the Fourth Proportional to 3,192.32, 4,405.92 and 2,668.16

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Solution

The fourth proportional to 3,192.32, 4,405.92 and 2,668.16 is: 3,682.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.32 : 4,405.92 = 2,668.16 : x
  2. Step 2: Convert to fraction form
    3,192.32/4,405.92 = 2,668.16/x
  3. Step 3: Cross multiply
    3,192.32x = 4,405.92 × 2,668.16
  4. Step 4: Simplify right side
    3,192.32x = 11,755,699.51
  5. Step 5: Solve for x
    x = 11,755,699.51/3,192.32
  6. Step 6: Final answer
    x = 3,682.49

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1.5x scale

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.