Home / 2,194.99-3,028.86-1,310.67

Finding the Fourth Proportional to 2,194.99, 3,028.86 and 1,310.67

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Solution

The fourth proportional to 2,194.99, 3,028.86 and 1,310.67 is: 1,808.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.99 : 3,028.86 = 1,310.67 : x
  2. Step 2: Convert to fraction form
    2,194.99/3,028.86 = 1,310.67/x
  3. Step 3: Cross multiply
    2,194.99x = 3,028.86 × 1,310.67
  4. Step 4: Simplify right side
    2,194.99x = 3,969,829.38
  5. Step 5: Solve for x
    x = 3,969,829.38/2,194.99
  6. Step 6: Final answer
    x = 1,808.59

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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.