Home / 4,042.40-5,578.49-2,274.02

Finding the Fourth Proportional to 4,042.40, 5,578.49 and 2,274.02

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Solution

The fourth proportional to 4,042.40, 5,578.49 and 2,274.02 is: 3,138.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.40 : 5,578.49 = 2,274.02 : x
  2. Step 2: Convert to fraction form
    4,042.40/5,578.49 = 2,274.02/x
  3. Step 3: Cross multiply
    4,042.40x = 5,578.49 × 2,274.02
  4. Step 4: Simplify right side
    4,042.40x = 12,685,611.27
  5. Step 5: Solve for x
    x = 12,685,611.27/4,042.40
  6. Step 6: Final answer
    x = 3,138.14

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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.