Home / 4,042.39-5,578.53-2,274.01

Finding the Fourth Proportional to 4,042.39, 5,578.53 and 2,274.01

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Solution

The fourth proportional to 4,042.39, 5,578.53 and 2,274.01 is: 3,138.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.39 : 5,578.53 = 2,274.01 : x
  2. Step 2: Convert to fraction form
    4,042.39/5,578.53 = 2,274.01/x
  3. Step 3: Cross multiply
    4,042.39x = 5,578.53 × 2,274.01
  4. Step 4: Simplify right side
    4,042.39x = 12,685,633.01
  5. Step 5: Solve for x
    x = 12,685,633.01/4,042.39
  6. Step 6: Final answer
    x = 3,138.15

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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.