Home / 2,151.75-3,201.87-2,144.46

Finding the Fourth Proportional to 2,151.75, 3,201.87 and 2,144.46

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Solution

The fourth proportional to 2,151.75, 3,201.87 and 2,144.46 is: 3,191.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.75 : 3,201.87 = 2,144.46 : x
  2. Step 2: Convert to fraction form
    2,151.75/3,201.87 = 2,144.46/x
  3. Step 3: Cross multiply
    2,151.75x = 3,201.87 × 2,144.46
  4. Step 4: Simplify right side
    2,151.75x = 6,866,282.14
  5. Step 5: Solve for x
    x = 6,866,282.14/2,151.75
  6. Step 6: Final answer
    x = 3,191.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.