Home / 1,932.33-2,891.21-1,110.99

Finding the Fourth Proportional to 1,932.33, 2,891.21 and 1,110.99

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Solution

The fourth proportional to 1,932.33, 2,891.21 and 1,110.99 is: 1,662.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.33 : 2,891.21 = 1,110.99 : x
  2. Step 2: Convert to fraction form
    1,932.33/2,891.21 = 1,110.99/x
  3. Step 3: Cross multiply
    1,932.33x = 2,891.21 × 1,110.99
  4. Step 4: Simplify right side
    1,932.33x = 3,212,099.84
  5. Step 5: Solve for x
    x = 3,212,099.84/1,932.33
  6. Step 6: Final answer
    x = 1,662.29

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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.