Home / 2,960.21-4,435.41-2,654.97

Finding the Fourth Proportional to 2,960.21, 4,435.41 and 2,654.97

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Solution

The fourth proportional to 2,960.21, 4,435.41 and 2,654.97 is: 3,978.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.21 : 4,435.41 = 2,654.97 : x
  2. Step 2: Convert to fraction form
    2,960.21/4,435.41 = 2,654.97/x
  3. Step 3: Cross multiply
    2,960.21x = 4,435.41 × 2,654.97
  4. Step 4: Simplify right side
    2,960.21x = 11,775,880.49
  5. Step 5: Solve for x
    x = 11,775,880.49/2,960.21
  6. Step 6: Final answer
    x = 3,978.06

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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.