Home / 4,042.36-5,578.42-2,274.13

Finding the Fourth Proportional to 4,042.36, 5,578.42 and 2,274.13

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Solution

The fourth proportional to 4,042.36, 5,578.42 and 2,274.13 is: 3,138.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.36 : 5,578.42 = 2,274.13 : x
  2. Step 2: Convert to fraction form
    4,042.36/5,578.42 = 2,274.13/x
  3. Step 3: Cross multiply
    4,042.36x = 5,578.42 × 2,274.13
  4. Step 4: Simplify right side
    4,042.36x = 12,686,018.70
  5. Step 5: Solve for x
    x = 12,686,018.70/4,042.36
  6. Step 6: Final answer
    x = 3,138.27

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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.