Home / 4,042.68-5,578.70-2,274.44

Finding the Fourth Proportional to 4,042.68, 5,578.70 and 2,274.44

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Solution

The fourth proportional to 4,042.68, 5,578.70 and 2,274.44 is: 3,138.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.68 : 5,578.70 = 2,274.44 : x
  2. Step 2: Convert to fraction form
    4,042.68/5,578.70 = 2,274.44/x
  3. Step 3: Cross multiply
    4,042.68x = 5,578.70 × 2,274.44
  4. Step 4: Simplify right side
    4,042.68x = 12,688,418.43
  5. Step 5: Solve for x
    x = 12,688,418.43/4,042.68
  6. Step 6: Final answer
    x = 3,138.62

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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.