Home / 1,524.68-2,103.24-1,081.80

Finding the Fourth Proportional to 1,524.68, 2,103.24 and 1,081.80

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Solution

The fourth proportional to 1,524.68, 2,103.24 and 1,081.80 is: 1,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524.68 : 2,103.24 = 1,081.80 : x
  2. Step 2: Convert to fraction form
    1,524.68/2,103.24 = 1,081.80/x
  3. Step 3: Cross multiply
    1,524.68x = 2,103.24 × 1,081.80
  4. Step 4: Simplify right side
    1,524.68x = 2,275,285.03
  5. Step 5: Solve for x
    x = 2,275,285.03/1,524.68
  6. Step 6: Final answer
    x = 1,492.30

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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.