Home / 2,278.69-3,418.22-635.25

Finding the Fourth Proportional to 2,278.69, 3,418.22 and 635.25

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Solution

The fourth proportional to 2,278.69, 3,418.22 and 635.25 is: 952.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.69 : 3,418.22 = 635.25 : x
  2. Step 2: Convert to fraction form
    2,278.69/3,418.22 = 635.25/x
  3. Step 3: Cross multiply
    2,278.69x = 3,418.22 × 635.25
  4. Step 4: Simplify right side
    2,278.69x = 2,171,424.26
  5. Step 5: Solve for x
    x = 2,171,424.26/2,278.69
  6. Step 6: Final answer
    x = 952.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.