Home / 2,272.41-3,126.94-2,204.78

Finding the Fourth Proportional to 2,272.41, 3,126.94 and 2,204.78

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Solution

The fourth proportional to 2,272.41, 3,126.94 and 2,204.78 is: 3,033.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.41 : 3,126.94 = 2,204.78 : x
  2. Step 2: Convert to fraction form
    2,272.41/3,126.94 = 2,204.78/x
  3. Step 3: Cross multiply
    2,272.41x = 3,126.94 × 2,204.78
  4. Step 4: Simplify right side
    2,272.41x = 6,894,193.63
  5. Step 5: Solve for x
    x = 6,894,193.63/2,272.41
  6. Step 6: Final answer
    x = 3,033.87

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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.