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Finding the Fourth Proportional to 1,824.99, 2,738.82 and 729.68

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Solution

The fourth proportional to 1,824.99, 2,738.82 and 729.68 is: 1,095.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.99 : 2,738.82 = 729.68 : x
  2. Step 2: Convert to fraction form
    1,824.99/2,738.82 = 729.68/x
  3. Step 3: Cross multiply
    1,824.99x = 2,738.82 × 729.68
  4. Step 4: Simplify right side
    1,824.99x = 1,998,448.48
  5. Step 5: Solve for x
    x = 1,998,448.48/1,824.99
  6. Step 6: Final answer
    x = 1,095.05

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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.