Home / 3,274.38-4,517.12-1,929.29

Finding the Fourth Proportional to 3,274.38, 4,517.12 and 1,929.29

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Solution

The fourth proportional to 3,274.38, 4,517.12 and 1,929.29 is: 2,661.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.38 : 4,517.12 = 1,929.29 : x
  2. Step 2: Convert to fraction form
    3,274.38/4,517.12 = 1,929.29/x
  3. Step 3: Cross multiply
    3,274.38x = 4,517.12 × 1,929.29
  4. Step 4: Simplify right side
    3,274.38x = 8,714,802.21
  5. Step 5: Solve for x
    x = 8,714,802.21/3,274.38
  6. Step 6: Final answer
    x = 2,661.51

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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.