Home / 3,097.74-4,272.02-2,874.18

Finding the Fourth Proportional to 3,097.74, 4,272.02 and 2,874.18

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Solution

The fourth proportional to 3,097.74, 4,272.02 and 2,874.18 is: 3,963.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.74 : 4,272.02 = 2,874.18 : x
  2. Step 2: Convert to fraction form
    3,097.74/4,272.02 = 2,874.18/x
  3. Step 3: Cross multiply
    3,097.74x = 4,272.02 × 2,874.18
  4. Step 4: Simplify right side
    3,097.74x = 12,278,554.44
  5. Step 5: Solve for x
    x = 12,278,554.44/3,097.74
  6. Step 6: Final answer
    x = 3,963.71

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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.