Home / 1,492.36-2,240.57-1,028.99

Finding the Fourth Proportional to 1,492.36, 2,240.57 and 1,028.99

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Solution

The fourth proportional to 1,492.36, 2,240.57 and 1,028.99 is: 1,544.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.36 : 2,240.57 = 1,028.99 : x
  2. Step 2: Convert to fraction form
    1,492.36/2,240.57 = 1,028.99/x
  3. Step 3: Cross multiply
    1,492.36x = 2,240.57 × 1,028.99
  4. Step 4: Simplify right side
    1,492.36x = 2,305,524.12
  5. Step 5: Solve for x
    x = 2,305,524.12/1,492.36
  6. Step 6: Final answer
    x = 1,544.88

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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.