Home / 4,043.67-5,578.89-2,274.90

Finding the Fourth Proportional to 4,043.67, 5,578.89 and 2,274.90

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Solution

The fourth proportional to 4,043.67, 5,578.89 and 2,274.90 is: 3,138.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,043.67 : 5,578.89 = 2,274.90 : x
  2. Step 2: Convert to fraction form
    4,043.67/5,578.89 = 2,274.90/x
  3. Step 3: Cross multiply
    4,043.67x = 5,578.89 × 2,274.90
  4. Step 4: Simplify right side
    4,043.67x = 12,691,416.86
  5. Step 5: Solve for x
    x = 12,691,416.86/4,043.67
  6. Step 6: Final answer
    x = 3,138.59

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Half scale
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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.