Home / 3,578.94-4,939.02-2,252.70

Finding the Fourth Proportional to 3,578.94, 4,939.02 and 2,252.70

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Solution

The fourth proportional to 3,578.94, 4,939.02 and 2,252.70 is: 3,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.94 : 4,939.02 = 2,252.70 : x
  2. Step 2: Convert to fraction form
    3,578.94/4,939.02 = 2,252.70/x
  3. Step 3: Cross multiply
    3,578.94x = 4,939.02 × 2,252.70
  4. Step 4: Simplify right side
    3,578.94x = 11,126,130.35
  5. Step 5: Solve for x
    x = 11,126,130.35/3,578.94
  6. Step 6: Final answer
    x = 3,108.78

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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.