Home / 4,042.45-5,578.55-2,274.02

Finding the Fourth Proportional to 4,042.45, 5,578.55 and 2,274.02

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Solution

The fourth proportional to 4,042.45, 5,578.55 and 2,274.02 is: 3,138.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.45 : 5,578.55 = 2,274.02 : x
  2. Step 2: Convert to fraction form
    4,042.45/5,578.55 = 2,274.02/x
  3. Step 3: Cross multiply
    4,042.45x = 5,578.55 × 2,274.02
  4. Step 4: Simplify right side
    4,042.45x = 12,685,706.38
  5. Step 5: Solve for x
    x = 12,685,706.38/4,042.45
  6. Step 6: Final answer
    x = 3,138.13

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Half scale
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Double 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.