Home / 3,907.22-5,392.28-2,229.14

Finding the Fourth Proportional to 3,907.22, 5,392.28 and 2,229.14

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Solution

The fourth proportional to 3,907.22, 5,392.28 and 2,229.14 is: 3,076.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.22 : 5,392.28 = 2,229.14 : x
  2. Step 2: Convert to fraction form
    3,907.22/5,392.28 = 2,229.14/x
  3. Step 3: Cross multiply
    3,907.22x = 5,392.28 × 2,229.14
  4. Step 4: Simplify right side
    3,907.22x = 12,020,147.04
  5. Step 5: Solve for x
    x = 12,020,147.04/3,907.22
  6. Step 6: Final answer
    x = 3,076.39

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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.