Home / 2,279.03-3,418.16-635.75

Finding the Fourth Proportional to 2,279.03, 3,418.16 and 635.75

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Solution

The fourth proportional to 2,279.03, 3,418.16 and 635.75 is: 953.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.03 : 3,418.16 = 635.75 : x
  2. Step 2: Convert to fraction form
    2,279.03/3,418.16 = 635.75/x
  3. Step 3: Cross multiply
    2,279.03x = 3,418.16 × 635.75
  4. Step 4: Simplify right side
    2,279.03x = 2,173,095.22
  5. Step 5: Solve for x
    x = 2,173,095.22/2,279.03
  6. Step 6: Final answer
    x = 953.52

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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.