Home / 2,160.26-3,242.96-2,072.24

Finding the Fourth Proportional to 2,160.26, 3,242.96 and 2,072.24

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Solution

The fourth proportional to 2,160.26, 3,242.96 and 2,072.24 is: 3,110.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.26 : 3,242.96 = 2,072.24 : x
  2. Step 2: Convert to fraction form
    2,160.26/3,242.96 = 2,072.24/x
  3. Step 3: Cross multiply
    2,160.26x = 3,242.96 × 2,072.24
  4. Step 4: Simplify right side
    2,160.26x = 6,720,191.43
  5. Step 5: Solve for x
    x = 6,720,191.43/2,160.26
  6. Step 6: Final answer
    x = 3,110.83

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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.