Home / 1,749.26-2,618.22-1,286.94

Finding the Fourth Proportional to 1,749.26, 2,618.22 and 1,286.94

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Solution

The fourth proportional to 1,749.26, 2,618.22 and 1,286.94 is: 1,926.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.26 : 2,618.22 = 1,286.94 : x
  2. Step 2: Convert to fraction form
    1,749.26/2,618.22 = 1,286.94/x
  3. Step 3: Cross multiply
    1,749.26x = 2,618.22 × 1,286.94
  4. Step 4: Simplify right side
    1,749.26x = 3,369,492.05
  5. Step 5: Solve for x
    x = 3,369,492.05/1,749.26
  6. Step 6: Final answer
    x = 1,926.24

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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.