Home / 2,517.66-3,467.12-2,160.72

Finding the Fourth Proportional to 2,517.66, 3,467.12 and 2,160.72

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Solution

The fourth proportional to 2,517.66, 3,467.12 and 2,160.72 is: 2,975.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.66 : 3,467.12 = 2,160.72 : x
  2. Step 2: Convert to fraction form
    2,517.66/3,467.12 = 2,160.72/x
  3. Step 3: Cross multiply
    2,517.66x = 3,467.12 × 2,160.72
  4. Step 4: Simplify right side
    2,517.66x = 7,491,464.72
  5. Step 5: Solve for x
    x = 7,491,464.72/2,517.66
  6. Step 6: Final answer
    x = 2,975.57

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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.