Home / 4,042.42-5,578.51-2,274.05

Finding the Fourth Proportional to 4,042.42, 5,578.51 and 2,274.05

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Solution

The fourth proportional to 4,042.42, 5,578.51 and 2,274.05 is: 3,138.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.42 : 5,578.51 = 2,274.05 : x
  2. Step 2: Convert to fraction form
    4,042.42/5,578.51 = 2,274.05/x
  3. Step 3: Cross multiply
    4,042.42x = 5,578.51 × 2,274.05
  4. Step 4: Simplify right side
    4,042.42x = 12,685,771.40
  5. Step 5: Solve for x
    x = 12,685,771.40/4,042.42
  6. Step 6: Final answer
    x = 3,138.17

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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.